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  <url>
    <loc>https://labproinc.com/products/proteospec-trifluoroacetic-acid-lcms-grade-rmb11204-10x1r</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_18997769-072c-4c81-8eb4-2e0f68bde6e1.png?v=1704976860</image:loc>
      <image:title>ProteoSpec? Trifluoroacetic Acid, LCMS Grade - RMB11204-10x1R</image:title>
      <image:caption>ProteoSpec Trifluoroacetic Acid, LCMS Grade - RMB11204-10x1R</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-bstfa-with-1-tmcs-no-bistrimethylsilyltrifluoroacetamide-rmb1202t-10x1c2</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_ed353acb-59d8-4329-8991-da5c62754014.png?v=1704976864</image:loc>
      <image:title>ProteoSpec? BSTFA with 1% TMCS N,O-Bis(trimethylsilyl)trifluoroacetamide - RMB1202T-10x1C2</image:title>
      <image:caption>ProteoSpec BSTFA with 1% TMCS N,O-Bis(trimethylsilyl)trifluoroacetamide - RMB1202T-10x1C2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-mstfa-with-1-tmcs-n-methyl-n-trimethylsilyltrifluoroacetamide-rmb1204t-10x1c2</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_6f216909-6594-4577-8a69-efda8f6d6b13.png?v=1704976866</image:loc>
      <image:title>ProteoSpec? MSTFA with 1% TMCS N-Methyl-N-(trimethylsilyl)trifluoroacetamide - RMB1204T-10x1C2</image:title>
      <image:caption>ProteoSpec MSTFA with 1% TMCS N-Methyl-N-(trimethylsilyl)trifluoroacetamide - RMB1204T-10x1C2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-mtbstfa-with-1-tbdmcs-n-tert-butyldimethylsilyl-n-methyltrifluoroacetamide-rmb1207t-10x1c2</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_9c5d1056-a286-400e-8d7b-112ccd40834d.png?v=1704976876</image:loc>
      <image:title>ProteoSpec? MTBSTFA with 1% TBDMCS N-(tert-Butyldimethylsilyl)-N-methyltrifluoroacetamide - RMB1207T-10x1C2</image:title>
      <image:caption>ProteoSpec MTBSTFA with 1% TBDMCS N-(tert-Butyldimethylsilyl)-N-methyltrifluoroacetamide - RMB1207T-10x1C2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-bstfa-no-bistrimethylsilyltrifluoroacetamide-rmb12102-10x1c2</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_62732d6c-d4e5-42b7-a1d1-54874a947131.png?v=1704976879</image:loc>
      <image:title>ProteoSpec? BSTFA N,O-Bis(trimethylsilyl)trifluoroacetamide - RMB12102-10x1C2</image:title>
      <image:caption>ProteoSpec BSTFA N,O-Bis(trimethylsilyl)trifluoroacetamide - RMB12102-10x1C2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-mstfa-n-methyl-n-trimethylsilyltrifluoroacetamide-rmb12104-10x1c2</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_40e7af55-8744-4eab-84fa-179854d051a7.png?v=1704976882</image:loc>
      <image:title>ProteoSpec? MSTFA N-Methyl-N-(trimethylsilyl)trifluoroacetamide - RMB12104-10x1C2</image:title>
      <image:caption>ProteoSpec MSTFA N-Methyl-N-(trimethylsilyl)trifluoroacetamide - RMB12104-10x1C2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-mtbstfa-n-tert-butyldimethylsilyl-n-methyltrifluoroacetamide-rmb12107-10x1c2</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_fe4d058f-c349-4032-bf10-f852690eb65b.png?v=1704976884</image:loc>
      <image:title>ProteoSpec? MTBSTFA N-(tert-Butyldimethylsilyl)-N-methyltrifluoroacetamide - RMB12107-10x1C2</image:title>
      <image:caption>ProteoSpec MTBSTFA N-(tert-Butyldimethylsilyl)-N-methyltrifluoroacetamide - RMB12107-10x1C2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-trifluoroacetic-anhydride-tfaa-rmb12201-10x1c2</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_6fd9d1c8-2719-4ca2-b03f-81fbdd42e7fb.png?v=1704976887</image:loc>
      <image:title>ProteoSpec? Trifluoroacetic Anhydride (TFAA) - RMB12201-10x1C2</image:title>
      <image:caption>ProteoSpec Trifluoroacetic Anhydride (TFAA) - RMB12201-10x1C2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-pentafluoropropionic-anhydride-pfpa-rmb12202-10x1c2</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_66ae7e02-bb7e-4b16-bf62-9d79c4680118.png?v=1704976889</image:loc>
      <image:title>ProteoSpec? Pentafluoropropionic Anhydride, PFPA - RMB12202-10x1C2</image:title>
      <image:caption>ProteoSpec Pentafluoropropionic Anhydride, PFPA - RMB12202-10x1C2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-heptafluorobutyric-anhydride-hfaa-rmb12203-10x1c2</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_a1c95084-9aec-42df-8adb-1b4bfc7f3706.png?v=1704976892</image:loc>
      <image:title>ProteoSpec? Heptafluorobutyric Anhydride, HFAA - RMB12203-10x1C2</image:title>
      <image:caption>ProteoSpec Heptafluorobutyric Anhydride, HFAA - RMB12203-10x1C2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-mbtfa-n-methyl-bistrifluoroacetamide-rmb12204-10x1c2</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_71c4592c-64ba-4a6b-a3d6-e01a130ee4b3.png?v=1704976894</image:loc>
      <image:title>ProteoSpec? MBTFA N-Methyl-bis(trifluoroacetamide) - RMB12204-10x1C2</image:title>
      <image:caption>ProteoSpec MBTFA N-Methyl-bis(trifluoroacetamide) - RMB12204-10x1C2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-dsg-crosslinker-disuccinimidyl-glutarate-rmb13301-50cm</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_7f97df75-7239-4ae7-ad45-e560a122fcb1.png?v=1704976897</image:loc>
      <image:title>ProteoSpec? DSG Crosslinker Disuccinimidyl glutarate - RMB13301-50CM</image:title>
      <image:caption>ProteoSpec DSG Crosslinker Disuccinimidyl glutarate - RMB13301-50CM</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-dss-crosslinker-disuccinimidyl-octanedioate-rmb13305-50cm</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_670268be-ecf3-460c-9ffb-f331bbfb7a1b.png?v=1704976899</image:loc>
      <image:title>ProteoSpec? DSS Crosslinker Disuccinimidyl octanedioate - RMB13305-50CM</image:title>
      <image:caption>ProteoSpec DSS Crosslinker Disuccinimidyl octanedioate - RMB13305-50CM</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-bs3-crosslinker-bis-sulfosuccinimidyl-suberate-rmb13306-50cm</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_b6c45970-2288-4a47-9fc1-941b252fe9cd.png?v=1704976902</image:loc>
      <image:title>ProteoSpec? BS3 Crosslinker Bis-sulfosuccinimidyl suberate - RMB13306-50CM</image:title>
      <image:caption>ProteoSpec BS3 Crosslinker Bis-sulfosuccinimidyl suberate - RMB13306-50CM</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-egs-crosslinker-ethylene-glycol-bissuccinimidyl-succinate-rmb13308-50cm</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_069cf36a-d19e-4aba-882e-c0033b452e5e.png?v=1704976904</image:loc>
      <image:title>ProteoSpec? EGS Crosslinker Ethylene glycol bis(succinimidyl succinate) - RMB13308-50CM</image:title>
      <image:caption>ProteoSpec EGS Crosslinker Ethylene glycol bis(succinimidyl succinate) - RMB13308-50CM</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-nn-carbonyldiimidazole-cdi-rmb13501-5c2</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_03e7d2f2-f47e-4afe-a33f-6a2c28be92f7.png?v=1704976907</image:loc>
      <image:title>ProteoSpec? N,N&apos;-Carbonyldiimidazole, CDI - RMB13501-5C2</image:title>
      <image:caption>ProteoSpec N,N&apos;-Carbonyldiimidazole, CDI - RMB13501-5C2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-nn-dicyclohexylurea-rmb13502-5c</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_103a08b4-2ad4-4c02-8714-6e9b34d74d32.png?v=1704976909</image:loc>
      <image:title>ProteoSpec? N,N-Dicyclohexylurea - RMB13502-5C</image:title>
      <image:caption>ProteoSpec N,N-Dicyclohexylurea - RMB13502-5C</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-n-hydroxysuccinimide-nhs-rmb13504-25c2</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_893ea477-1d3d-47e2-9983-a076fade9993.png?v=1704976912</image:loc>
      <image:title>ProteoSpec? N-Hydroxysuccinimide (NHS) - RMB13504-25C2</image:title>
      <image:caption>ProteoSpec N-Hydroxysuccinimide (NHS) - RMB13504-25C2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-sulfo-nhs-sulfo-n-hydroxysuccinimide-nhs-rmb13505-50cm</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_3c441be8-32e7-4bf4-adf1-38ca58b46dc8.png?v=1704976914</image:loc>
      <image:title>ProteoSpec? Sulfo-NHS Sulfo-N-Hydroxysuccinimide (NHS) - RMB13505-50CM</image:title>
      <image:caption>ProteoSpec Sulfo-NHS Sulfo-N-Hydroxysuccinimide (NHS) - RMB13505-50CM</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-sata-protein-modifier-n-succinimidyl-s-acetylthioacetate-rmb14102-50cm</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_f433c395-8032-4883-b1be-5a6c2ed6deb4.png?v=1704976916</image:loc>
      <image:title>ProteoSpec? SATA Protein Modifier N-Succinimidyl S-Acetylthioacetate - RMB14102-50CM</image:title>
      <image:caption>ProteoSpec SATA Protein Modifier N-Succinimidyl S-Acetylthioacetate - RMB14102-50CM</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-sulfo-nhs-acetate-sulfosuccinimidyl-acetate-rmb14103-100cm</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_a9711c3d-0ab2-4612-ab71-1b0863956061.png?v=1704976919</image:loc>
      <image:title>ProteoSpec? Sulfo-NHS Acetate Sulfosuccinimidyl acetate - RMB14103-100CM</image:title>
      <image:caption>ProteoSpec Sulfo-NHS Acetate Sulfosuccinimidyl acetate - RMB14103-100CM</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-citraconic-anhydride-rmb14105-25c2</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_5c091a37-36a6-4537-adec-ee337ee01bfe.png?v=1704976921</image:loc>
      <image:title>ProteoSpec? Citraconic Anhydride - RMB14105-25C2</image:title>
      <image:caption>ProteoSpec Citraconic Anhydride - RMB14105-25C2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-biotin-hydrazide-rmb14201-100cm</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_c55f3d0a-6423-4360-8909-1c4a5d360f51.png?v=1704976923</image:loc>
      <image:title>ProteoSpec? Biotin-Hydrazide - RMB14201-100CM</image:title>
      <image:caption>ProteoSpec Biotin-Hydrazide - RMB14201-100CM</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-biotin-nhs-biotin-n-hydroxysuccinimide-ester-rmb14202-100cm</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_7bae45c5-3c0a-4dc8-a78d-7c335ab0038e.png?v=1704976926</image:loc>
      <image:title>ProteoSpec? Biotin-NHS Biotin N-hydroxysuccinimide ester - RMB14202-100CM</image:title>
      <image:caption>ProteoSpec Biotin-NHS Biotin N-hydroxysuccinimide ester - RMB14202-100CM</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-nhs-ss-biotin-succinimidyl-2-biotinamido-ethyl-1-3-dithiopropionate-rmb14204-100cm</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_b0f06cf4-284e-4895-8488-ef6fc29dee3d.png?v=1704976928</image:loc>
      <image:title>ProteoSpec? NHS-SS-Biotin Succinimidyl 2-(biotinamido)-ethyl-1-3?-dithiopropionate - RMB14204-100CM</image:title>
      <image:caption>ProteoSpec NHS-SS-Biotin Succinimidyl 2-(biotinamido)-ethyl-1-3-dithiopropionate - RMB14204-100CM</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-sulfo-nhs-biotin-biotinyl-n-hydroxysulfosuccinimde-rmb14205-100cm</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_91c63098-7d65-490b-9e76-f96416e0d2f3.png?v=1704976930</image:loc>
      <image:title>ProteoSpec? Sulfo-NHS Biotin Biotinyl-N-hydroxysulfosuccinimde - RMB14205-100CM</image:title>
      <image:caption>ProteoSpec Sulfo-NHS Biotin Biotinyl-N-hydroxysulfosuccinimde - RMB14205-100CM</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-sulfo-nhs-lc-biotin-sulfosuccinimidyl-6-biotinamidohexanoate-rmb14206-100cm</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_3e39cabd-ff8b-4439-ac00-c75138991e51.png?v=1704976933</image:loc>
      <image:title>ProteoSpec? Sulfo-NHS-LC-Biotin Sulfosuccinimidyl-6-(biotinamido)hexanoate - RMB14206-100CM</image:title>
      <image:caption>ProteoSpec Sulfo-NHS-LC-Biotin Sulfosuccinimidyl-6-(biotinamido)hexanoate - RMB14206-100CM</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-sulfo-nhs-ss-biotin-sulfosuccinimidyl-2-biotinamido-ethyl-1-3-dithiopropionate-rmb14207-100cm</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-proteospec_group_418ebe6e-b782-4750-a831-8f77a184860b.png?v=1704976935</image:loc>
      <image:title>ProteoSpec? Sulfo-NHS-SS-Biotin Sulfosuccinimidyl 2-(biotinamido)-ethyl-1-3?-dithiopropionate - RMB14207-100CM</image:title>
      <image:caption>ProteoSpec Sulfo-NHS-SS-Biotin Sulfosuccinimidyl 2-(biotinamido)-ethyl-1-3-dithiopropionate - RMB14207-100CM</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/proteospec-chca-maldi-matrix-alpha-cyano-4-hydroxycinnamic-acid-rmb15101-24x1cm</loc>
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      <image:caption>Potassium ICP-MS Standard, 1000 ppm K in 3% HNO? - MSK1KN-100</image:caption>
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  <url>
    <loc>https://labproinc.com/products/lithium-icp-ms-standard-1000-ppm-li-in-3-hno-msli1kn-100</loc>
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      <image:title>Lithium ICP-MS Standard, 1000 ppm Li in 3% HNO? - MSLI1KN-100</image:title>
      <image:caption>Lithium ICP-MS Standard, 1000 ppm Li in 3% HNO? - MSLI1KN-100</image:caption>
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  <url>
    <loc>https://labproinc.com/products/magnesium-icp-ms-standard-1000-ppm-mg-in-3-hno-msmg1kn-100</loc>
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      <image:title>Magnesium ICP-MS Standard, 1000 ppm Mg in 3% HNO? - MSMG1KN-100</image:title>
      <image:caption>Magnesium ICP-MS Standard, 1000 ppm Mg in 3% HNO? - MSMG1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/magnesium-icp-ms-standard-10000-ppm-mg-in-5-hno-msmg10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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      <image:title>Magnesium ICP-MS Standard, 10,000 ppm Mg in 5% HNO? - MSMG10KN-100</image:title>
      <image:caption>Magnesium ICP-MS Standard, 10,000 ppm Mg in 5% HNO? - MSMG10KN-100</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/manganese-icp-ms-standard-1000-ppm-mn-in-3-hno-msmn1kn-100</loc>
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      <image:title>Manganese ICP-MS Standard, 1000 ppm Mn in 3% HNO? - MSMN1KN-100</image:title>
      <image:caption>Manganese ICP-MS Standard, 1000 ppm Mn in 3% HNO? - MSMN1KN-100</image:caption>
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  <url>
    <loc>https://labproinc.com/products/molybdenum-icp-ms-standard-1000-ppm-mo-in-3-nhoh-msmo1kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_bdbcba98-7a4b-4ee1-9f0d-273bdec2b303.png?v=1737682137</image:loc>
      <image:title>Molybdenum ICP-MS Standard, 1000 ppm Mo in 3% NH?OH - MSMO1KW-100</image:title>
      <image:caption>Molybdenum ICP-MS Standard, 1000 ppm Mo in 3% NH?OH - MSMO1KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sodium-icp-ms-standard-1000-ppm-na-in-3-hno-msna1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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      <image:title>Sodium ICP-MS Standard, 1000 ppm Na in 3% HNO? - MSNA1KN-100</image:title>
      <image:caption>Sodium ICP-MS Standard, 1000 ppm Na in 3% HNO? - MSNA1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sodium-icp-ms-standard-10000-ppm-na-in-3-hno-msna10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_ef3d7bba-63ab-4e42-9276-479babc4cf44.png?v=1737682139</image:loc>
      <image:title>Sodium ICP-MS Standard, 10,000 ppm Na in 3% HNO? - MSNA10KN-100</image:title>
      <image:caption>Sodium ICP-MS Standard, 10,000 ppm Na in 3% HNO? - MSNA10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/nickel-icp-ms-standard-1000-ppm-ni-in-3-hno-msni1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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      <image:title>Nickel ICP-MS Standard, 1000 ppm Ni in 3% HNO? - MSNI1KN-100</image:title>
      <image:caption>Nickel ICP-MS Standard, 1000 ppm Ni in 3% HNO? - MSNI1KN-100</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/lead-icp-ms-standard-1000-ppm-pb-in-3-hno-mspb1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_c4612bb1-d3ca-4a69-91ab-dac6310da592.png?v=1737682141</image:loc>
      <image:title>Lead ICP-MS Standard, 1000 ppm Pb in 3% HNO? - MSPB1KN-100</image:title>
      <image:caption>Lead ICP-MS Standard, 1000 ppm Pb in 3% HNO? - MSPB1KN-100</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/rhodium-icp-ms-standard-1000-ppm-rh-in-3-hcl-msrh1kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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      <image:title>Rhodium ICP-MS Standard, 1000 ppm Rh in 3% HCl - MSRH1KH-100</image:title>
      <image:caption>Rhodium ICP-MS Standard, 1000 ppm Rh in 3% HCl - MSRH1KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/icp-ms-internal-standard-100-ppm-rh-in-3-hcl-msrh100h-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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      <image:title>ICP-MS Internal Standard, 100 ppm Rh in 3% HCl - MSRH100H-100</image:title>
      <image:caption>ICP-MS Internal Standard, 100 ppm Rh in 3% HCl - MSRH100H-100</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/antimony-icp-ms-standard-1000-ppm-sb-in-hotartaric-acidtr-hno-mssb1kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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      <image:title>Antimony ICP-MS Standard, 1000 ppm Sb in H?O/Tartaric Acid/tr HNO? - MSSB1KW-100</image:title>
      <image:caption>Antimony ICP-MS Standard, 1000 ppm Sb in H?O/Tartaric Acid/tr HNO? - MSSB1KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/icp-ms-internal-standard-10-ppm-sc-in-3-hno-mssc10n-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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      <image:title>ICP-MS Internal Standard, 10 ppm Sc in 3% HNO? - MSSC10N-100</image:title>
      <image:caption>ICP-MS Internal Standard, 10 ppm Sc in 3% HNO? - MSSC10N-100</image:caption>
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  <url>
    <loc>https://labproinc.com/products/scandium-icp-ms-standard-1000-ppm-sc-in-3-hno-mssc1kn-100</loc>
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      <image:title>Scandium ICP-MS Standard, 1000 ppm Sc in 3% HNO? - MSSC1KN-100</image:title>
      <image:caption>Scandium ICP-MS Standard, 1000 ppm Sc in 3% HNO? - MSSC1KN-100</image:caption>
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  <url>
    <loc>https://labproinc.com/products/selenium-icp-ms-standard-1000-ppm-se-in-3-hno-msse1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Selenium ICP-MS Standard, 1000 ppm Se in 3% HNO? - MSSE1KN-100</image:title>
      <image:caption>Selenium ICP-MS Standard, 1000 ppm Se in 3% HNO? - MSSE1KN-100</image:caption>
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  <url>
    <loc>https://labproinc.com/products/silicon-icp-ms-standard-1000-ppm-si-in-hotr-hf-mssi1kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_cc584de9-b058-45dc-af18-2923efc50f44.png?v=1737682146</image:loc>
      <image:title>Silicon ICP-MS Standard, 1000 ppm Si in H?O/tr HF - MSSI1KW-100</image:title>
      <image:caption>Silicon ICP-MS Standard, 1000 ppm Si in H?O/tr HF - MSSI1KW-100</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/tin-icp-ms-standard-1000-ppm-sn-in-3-hno-mssn1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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      <image:title>Tin ICP-MS Standard, 1000 ppm Sn in 3% HNO? - MSSN1KN-100</image:title>
      <image:caption>Tin ICP-MS Standard, 1000 ppm Sn in 3% HNO? - MSSN1KN-100</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/tin-icp-ms-standard-10000-ppm-sn-in-5-hno-mssn10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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      <image:title>Tin ICP-MS Standard, 10,000 ppm Sn in 5% HNO? - MSSN10KN-100</image:title>
      <image:caption>Tin ICP-MS Standard, 10,000 ppm Sn in 5% HNO? - MSSN10KN-100</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/strontium-icp-standard-1000-ppm-sr-in-3-hno-mssr1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_e9438825-27a0-41ee-b9ed-e5d5001d5559.png?v=1737682148</image:loc>
      <image:title>Strontium ICP Standard, 1000 ppm Sr in 3% HNO? - MSSR1KN-100</image:title>
      <image:caption>Strontium ICP Standard, 1000 ppm Sr in 3% HNO? - MSSR1KN-100</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/multi-ion-standard-100-ppm-each-cl-no-no-so-f-po-co-for-ion-chromatography-mstd100-4</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-general_120c_aad8fc99-3583-400e-b563-ef6ce74b54ef.png?v=1737682148</image:loc>
      <image:title>Multi-Ion Standard 100 ppm each Cl?, NO??, NO??, SO?²?, F?, PO?³?, C?O?²? for Ion Chromatography - MSTD100-4</image:title>
      <image:caption>Multi-Ion Standard 100 ppm each Cl?, NO??, NO??, SO?²?, F?, PO?³?, C?O?²? for Ion Chromatography - MSTD100-4</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/multi-ion-standard-100-ppm-each-ca-mg-na-nh-li-k-for-ion-chromatography-mstd200-4</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-general_120a_a4d1013f-5f51-4394-929a-58b45b6382e0.png?v=1737682149</image:loc>
      <image:title>Multi-Ion Standard 100 ppm each Ca²?, Mg²?, Na?, NH??, Li?, K? for Ion Chromatography - MSTD200-4</image:title>
      <image:caption>Multi-Ion Standard 100 ppm each Ca²?, Mg²?, Na?, NH??, Li?, K? for Ion Chromatography - MSTD200-4</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/titanium-icp-ms-standard-1000-ppm-ti-in-hotr-hf-msti1kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a5f1cf2e-1228-4ea8-af02-b1119cfbc76d.png?v=1737682150</image:loc>
      <image:title>Titanium ICP-MS Standard, 1000 ppm Ti in H?O/tr HF - MSTI1KW-100</image:title>
      <image:caption>Titanium ICP-MS Standard, 1000 ppm Ti in H?O/tr HF - MSTI1KW-100</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/thallium-icp-ms-standard-1000-ppm-tl-in-3-hno-mstl1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_298fdb71-9065-4be1-9094-9b4760ccd8e5.png?v=1737682151</image:loc>
      <image:title>Thallium ICP-MS Standard, 1000 ppm Tl in 3% HNO? - MSTL1KN-100</image:title>
      <image:caption>Thallium ICP-MS Standard, 1000 ppm Tl in 3% HNO? - MSTL1KN-100</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/icp-ms-tuning-solution-method-6020-91-rmstune1-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_51ae6c47-529d-41c5-87ed-c2a54bdb258e.png?v=1737682151</image:loc>
      <image:title>ICP-MS Tuning Solution, Method 6020 (91) - RMSTUNE1-100</image:title>
      <image:caption>ICP-MS Tuning Solution, Method 6020 (91) - RMSTUNE1-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/vanadium-icp-ms-standard-1000-ppm-v-in-3-hno-msv1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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      <image:title>Vanadium ICP-MS Standard, 1000 ppm V in 3% HNO? - MSV1KN-100</image:title>
      <image:caption>Vanadium ICP-MS Standard, 1000 ppm V in 3% HNO? - MSV1KN-100</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/yttrium-icp-ms-standard-10000-ppm-y-in-5-hno-msy10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Yttrium ICP-MS Standard, 10,000 ppm Y in 5% HNO? - MSY10KN-100</image:title>
      <image:caption>Yttrium ICP-MS Standard, 10,000 ppm Y in 5% HNO? - MSY10KN-100</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/yttrium-icp-ms-standard-1000-ppm-y-in-3-hno-msy1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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      <image:title>Yttrium ICP-MS Standard, 1000 ppm Y in 3% HNO? - MSY1KN-100</image:title>
      <image:caption>Yttrium ICP-MS Standard, 1000 ppm Y in 3% HNO? - MSY1KN-100</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/zinc-icp-ms-standard-1000-ppm-zn-in-3-hno-mszn1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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      <image:title>Zinc ICP-MS Standard, 1000 ppm Zn in 3% HNO? - MSZN1KN-100</image:title>
      <image:caption>Zinc ICP-MS Standard, 1000 ppm Zn in 3% HNO? - MSZN1KN-100</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/zirconium-icp-ms-standard-1000-ppm-zr-in-3-hno-mszr1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_ad2e7dc7-ad39-4cfb-bf8b-c21dd37a7098.png?v=1737682155</image:loc>
      <image:title>Zirconium ICP-MS Standard, 1000 ppm Zr in 3% HNO? - MSZR1KN-100</image:title>
      <image:caption>Zirconium ICP-MS Standard, 1000 ppm Zr in 3% HNO? - MSZR1KN-100</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/multichem-15-standard-in-7-nitric-acid-rmulti15-1n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_9721f687-c6c8-44df-abe9-c2aaf58b1775.png?v=1737682156</image:loc>
      <image:title>Multichem-15 Standard in 7% Nitric Acid - RMULTI15-1N</image:title>
      <image:caption>Multichem-15 Standard in 7% Nitric Acid - RMULTI15-1N</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/multichem-16-standard-rmulti16-1n</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f12643d6-1e73-46cf-8113-c443cd14e197.png?v=1737682156</image:loc>
      <image:title>Multichem-16 Standard - RMULTI16-1N</image:title>
      <image:caption>Multichem-16 Standard - RMULTI16-1N</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/multichem-17-standard-in-7-nitric-acid-rmulti17-1n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_509038e0-61ff-4a83-a832-38bd2ec724d1.png?v=1737682157</image:loc>
      <image:title>Multichem-17 Standard in 7% Nitric Acid - RMULTI17-1N</image:title>
      <image:caption>Multichem-17 Standard in 7% Nitric Acid - RMULTI17-1N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/multichem-18-standard-in-7-nitric-acid-rmulti18-1n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_671079c9-2b9a-40c2-b20f-22caeebcbae4.png?v=1737682158</image:loc>
      <image:title>Multichem-18 Standard in 7% Nitric Acid - RMULTI18-1N</image:title>
      <image:caption>Multichem-18 Standard in 7% Nitric Acid - RMULTI18-1N</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/multichem-19-standard-rmulti19-1n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_afa18264-6ac1-4822-8302-ba83b95e4133.png?v=1737682158</image:loc>
      <image:title>Multichem-19 Standard - RMULTI19-1N</image:title>
      <image:caption>Multichem-19 Standard - RMULTI19-1N</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-calibration-standard-1-icp-rmxcl1-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_0af55a81-7733-438d-acaa-d4a19454eac4.png?v=1737682159</image:loc>
      <image:title>Mixed Calibration Standard 1, ICP - RMXCL1-100</image:title>
      <image:caption>Mixed Calibration Standard 1, ICP - RMXCL1-100</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-calibration-standard-1a-icp-rmxcl1a-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d63040bb-85f2-4827-81f6-830c8dac01cc.png?v=1737682160</image:loc>
      <image:title>Mixed Calibration Standard 1A, ICP - RMXCL1A-100</image:title>
      <image:caption>Mixed Calibration Standard 1A, ICP - RMXCL1A-100</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-calibration-standard-1a-icp-rmxcl1a-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-corrosive_500b_3e4e875e-54ff-49a6-91cc-1527d1bfa811.png?v=1737682161</image:loc>
      <image:title>Mixed Calibration Standard 1A, ICP - RMXCL1A-500</image:title>
      <image:caption>Mixed Calibration Standard 1A, ICP - RMXCL1A-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-calibration-standard-2-icp-rmxcl2-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_28c0c192-47c6-4da7-b1ec-dc631f5b6214.png?v=1737682162</image:loc>
      <image:title>Mixed Calibration Standard 2, ICP - RMXCL2-100</image:title>
      <image:caption>Mixed Calibration Standard 2, ICP - RMXCL2-100</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-calibration-standard-2a-icp-rev-33-rmxcl2a-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_e6390853-9a64-4fab-870f-d625cbb45af0.png?v=1737682162</image:loc>
      <image:title>Mixed Calibration Standard 2A, ICP, Rev 3.3 - RMXCL2A-500</image:title>
      <image:caption>Mixed Calibration Standard 2A, ICP, Rev 3.3 - RMXCL2A-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-calibration-standard-3-icp-rmxcl3-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b7dbe6de-da9c-4802-918e-83ed284ef8eb.png?v=1737682163</image:loc>
      <image:title>Mixed Calibration Standard 3, ICP - RMXCL3-100</image:title>
      <image:caption>Mixed Calibration Standard 3, ICP - RMXCL3-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-calibration-standard-3a-icp-rev-33-rmxcl3a-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_ca1538a1-e713-425e-b858-39fc1ae1d293.png?v=1737682164</image:loc>
      <image:title>Mixed Calibration Standard 3A, ICP, Rev 3.3 - RMXCL3A-500</image:title>
      <image:caption>Mixed Calibration Standard 3A, ICP, Rev 3.3 - RMXCL3A-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-calibration-standard-3r-icp-rmxcl3r-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_5def66d0-6d04-4222-8c95-877e49879764.png?v=1737682164</image:loc>
      <image:title>Mixed Calibration Standard 3R, ICP - RMXCL3R-500</image:title>
      <image:caption>Mixed Calibration Standard 3R, ICP - RMXCL3R-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-calibration-standard-4-icp-rmxcl4-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_58a0e777-eef4-4619-9249-dd4e9d0b49c2.png?v=1737682165</image:loc>
      <image:title>Mixed Calibration Standard 4, ICP - RMXCL4-100</image:title>
      <image:caption>Mixed Calibration Standard 4, ICP - RMXCL4-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-calibration-standard-4-icp-rmxcl4-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_626f4a92-8d37-4081-b895-c3065bae3dbf.png?v=1737682166</image:loc>
      <image:title>Mixed Calibration Standard 4, ICP - RMXCL4-500</image:title>
      <image:caption>Mixed Calibration Standard 4, ICP - RMXCL4-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-calibration-standard-5-icp-rmxcl5-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a47f6af6-d37f-440b-84e6-5bd7f6c31af2.png?v=1737682167</image:loc>
      <image:title>Mixed Calibration Standard 5, ICP - RMXCL5-100</image:title>
      <image:caption>Mixed Calibration Standard 5, ICP - RMXCL5-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-calibration-standard-5r-icp-rmxcl5r-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-corrosive_500b_18af1b60-47ef-46cf-b0a4-8be0237c8db9.png?v=1737682167</image:loc>
      <image:title>Mixed Calibration Standard 5R, ICP - RMXCL5R-500</image:title>
      <image:caption>Mixed Calibration Standard 5R, ICP - RMXCL5R-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-calibration-set-a-icp-standards-1a-5a-rmxclsta-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_9928aadc-914b-45a3-a54e-4956d0e3bc79.png?v=1704977249</image:loc>
      <image:title>Mixed Calibration Set A, ICP (Standards 1A - 5A) - RMXCLSTA-500</image:title>
      <image:caption>Mixed Calibration Set A, ICP (Standards 1A - 5A) - RMXCLSTA-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-10000-ppm-ca-p-k-1000-ppm-mg-na-s-200-ppm-cu-fe-mn-mo-zn-in-5-hno-rmxicpsx-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_78e59b6d-9e03-48ea-824d-4f4816e89dce.png?v=1737682168</image:loc>
      <image:title>Mixed ICP Standard 10,000 ppm Ca, P, K; 1000 ppm Mg, Na, S; 200 ppm Cu, Fe, Mn, Mo, Zn in 5% HNO? - RMXICPSX-500N</image:title>
      <image:caption>Mixed ICP Standard 10,000 ppm Ca, P, K; 1000 ppm Mg, Na, S; 200 ppm Cu, Fe, Mn, Mo, Zn in 5% HNO? - RMXICPSX-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/phosphorus-standard-125-ppm-p-rp33012p-500a</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-general_500a_b9f8bb44-fe13-4e61-9e7f-75bbabb283fa.png?v=1737682169</image:loc>
      <image:title>Phosphorus Standard, 12.5 ppm P - RP33012P-500A</image:title>
      <image:caption>Phosphorus Standard, 12.5 ppm P - RP33012P-500A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sulfur-standard-100-ppm-s-in-2-hno-rp33100s-1a</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-general_1a_2147e130-449c-4455-9b43-ef4afd0296cb.png?v=1737682170</image:loc>
      <image:title>Sulfur Standard, 100 ppm S in 2% HNO? - RP33100S-1A</image:title>
      <image:caption>Sulfur Standard, 100 ppm S in 2% HNO? - RP33100S-1A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/standard-1-for-icp-3300-high-rp33high-1a</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-general_1a_29cd131a-0cf8-4b53-bb23-cc93566f0d93.png?v=1737682170</image:loc>
      <image:title>Standard #1 for ICP 3300 High - RP33HIGH-1A</image:title>
      <image:caption>Standard #1 for ICP 3300 High - RP33HIGH-1A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/standard-4-for-icp-3300-low-rp33low0-1a</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-general_1a_70dfb454-d953-4368-a4d3-a492a25bc615.png?v=1737682171</image:loc>
      <image:title>Standard #4 for ICP 3300 Low - RP33LOW0-1A</image:title>
      <image:caption>Standard #4 for ICP 3300 Low - RP33LOW0-1A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/standard-3-for-icp-3300-med-rp33med0-1a</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-general_1a_c604c0ad-a698-47f3-9ebf-4b061e74a49d.png?v=1737682172</image:loc>
      <image:title>Standard #3 for ICP 3300 Med - RP33MED0-1A</image:title>
      <image:caption>Standard #3 for ICP 3300 Med - RP33MED0-1A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/standard-2-for-icp-3300-mid-rp33mid0-1a</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-general_1a_986014a9-8eb6-4454-a030-f1fb5192022d.png?v=1737682172</image:loc>
      <image:title>Standard #2 for ICP 3300 Mid - RP33MID0-1A</image:title>
      <image:caption>Standard #2 for ICP 3300 Mid - RP33MID0-1A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/silver-icp-standard-10000-ppm-ag-in-5-hno-pag10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_3aafe133-65be-4a2a-8225-a12f0c90e8f8.png?v=1737682173</image:loc>
      <image:title>Silver ICP Standard, 10,000 ppm Ag in 5% HNO? - PAG10KN-100</image:title>
      <image:caption>Silver ICP Standard, 10,000 ppm Ag in 5% HNO? - PAG10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/silver-icp-standard-10000-ppm-ag-in-5-hno-pag10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-corrosive_500b_dceeef4b-cca9-487a-b000-b252e036d7b4.png?v=1737682174</image:loc>
      <image:title>Silver ICP Standard, 10,000 ppm Ag in 5% HNO? - PAG10KN-500</image:title>
      <image:caption>Silver ICP Standard, 10,000 ppm Ag in 5% HNO? - PAG10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/silver-icp-standard-10000-ppm-ag-in-5-hno-pag10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_17cfee0a-78ea-482c-9532-885037976af4.png?v=1737682175</image:loc>
      <image:title>Silver ICP Standard, 10,000 ppm Ag in 5% HNO? - PAG10KN-50</image:title>
      <image:caption>Silver ICP Standard, 10,000 ppm Ag in 5% HNO? - PAG10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/silver-icp-standard-1000-ppm-ag-in-3-hno-pag1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_79bb1aa9-9425-47c0-9286-ec418746700e.png?v=1737682175</image:loc>
      <image:title>Silver ICP Standard, 1000 ppm Ag in 3% HNO? - PAG1KN-100</image:title>
      <image:caption>Silver ICP Standard, 1000 ppm Ag in 3% HNO? - PAG1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/silver-icp-standard-1000-ppm-ag-in-3-hno-pag1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-corrosive_500b_401e9a3e-607c-4d8a-ae16-c78aec3e8875.png?v=1737682176</image:loc>
      <image:title>Silver ICP Standard, 1000 ppm Ag in 3% HNO? - PAG1KN-500</image:title>
      <image:caption>Silver ICP Standard, 1000 ppm Ag in 3% HNO? - PAG1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/aluminum-icp-standard-10000-ppm-al-in-5-hcl-pal10kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_56648990-da1b-40c8-abe7-c96dd5a66cfc.png?v=1737682177</image:loc>
      <image:title>Aluminum ICP Standard, 10,000 ppm Al in 5% HCl - PAL10KH-100</image:title>
      <image:caption>Aluminum ICP Standard, 10,000 ppm Al in 5% HCl - PAL10KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/aluminum-icp-standard-10000-ppm-al-in-5-hcl-pal10kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_e55ce677-3911-48ed-a0fc-b98fbbff089e.png?v=1737682178</image:loc>
      <image:title>Aluminum ICP Standard, 10,000 ppm Al in 5% HCl - PAL10KH-500</image:title>
      <image:caption>Aluminum ICP Standard, 10,000 ppm Al in 5% HCl - PAL10KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/aluminum-icp-standard-10000-ppm-al-in-5-hno-pal10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_7c2a8417-65e7-418a-ab0f-f0886b6b18ab.png?v=1737682178</image:loc>
      <image:title>Aluminum ICP Standard, 10,000 ppm Al in 5% HNO? - PAL10KN-100</image:title>
      <image:caption>Aluminum ICP Standard, 10,000 ppm Al in 5% HNO? - PAL10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/aluminum-icp-standard-10000-ppm-al-in-5-hno-pal10kn-500</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_15f6a0ec-31d0-4312-affa-c9fbfcb4f056.png?v=1737682179</image:loc>
      <image:title>Aluminum ICP Standard, 10,000 ppm Al in 5% HNO? - PAL10KN-500</image:title>
      <image:caption>Aluminum ICP Standard, 10,000 ppm Al in 5% HNO? - PAL10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/aluminum-icp-standard-10000-ppm-al-in-5-hno-pal10kn-50</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_4fa2c8a0-8596-4406-b8b1-6474e18b8f5d.png?v=1737682180</image:loc>
      <image:title>Aluminum ICP Standard, 10,000 ppm Al in 5% HNO? - PAL10KN-50</image:title>
      <image:caption>Aluminum ICP Standard, 10,000 ppm Al in 5% HNO? - PAL10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/aluminum-icp-standard-1000-ppm-al-in-3-hcl-pal1kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b2fb36f2-d8d0-421d-adac-cbf485b5ee33.png?v=1737682181</image:loc>
      <image:title>Aluminum ICP Standard, 1,000 ppm Al in 3% HCl - PAL1KH-100</image:title>
      <image:caption>Aluminum ICP Standard, 1,000 ppm Al in 3% HCl - PAL1KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/aluminum-icp-standard-1000-ppm-al-in-3-hcl-pal1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_3ddd5217-bfaf-4abd-a156-d2891f8a3de2.png?v=1737682181</image:loc>
      <image:title>Aluminum ICP Standard, 1,000 ppm Al in 3% HCl - PAL1KH-500</image:title>
      <image:caption>Aluminum ICP Standard, 1,000 ppm Al in 3% HCl - PAL1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/aluminum-icp-standard-1000-ppm-al-in-3-hno-pal1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_bb0f30c2-857f-4577-8e04-bbf30ace539b.png?v=1737682182</image:loc>
      <image:title>Aluminum ICP Standard, 1000 ppm Al in 3% HNO? - PAL1KN-100</image:title>
      <image:caption>Aluminum ICP Standard, 1000 ppm Al in 3% HNO? - PAL1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/aluminum-icp-standard-1000-ppm-al-in-3-hno-pal1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_6d2b8cea-e2e0-4854-8cb7-a7104cf90106.png?v=1737682183</image:loc>
      <image:title>Aluminum ICP Standard, 1000 ppm Al in 3% HNO? - PAL1KN-500</image:title>
      <image:caption>Aluminum ICP Standard, 1000 ppm Al in 3% HNO? - PAL1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/arsenic-icp-standard-10000-ppm-as-in-5-hno-pas10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_ea30949b-3b2e-4f1e-9d87-5c6d5f1b010b.png?v=1737682184</image:loc>
      <image:title>Arsenic ICP Standard, 10,000 ppm As in 5% HNO? - PAS10KN-100</image:title>
      <image:caption>Arsenic ICP Standard, 10,000 ppm As in 5% HNO? - PAS10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/arsenic-icp-standard-10000-ppm-as-in-5-hno-pas10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_47cd4265-90e2-47fa-9217-8bc05f85766b.png?v=1737682184</image:loc>
      <image:title>Arsenic ICP Standard, 10,000 ppm As in 5% HNO? - PAS10KN-500</image:title>
      <image:caption>Arsenic ICP Standard, 10,000 ppm As in 5% HNO? - PAS10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/arsenic-icp-standard-10000-ppm-as-in-5-hno-pas10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_e33f3ec3-82a7-4fef-8464-08091eabf7d7.png?v=1737682185</image:loc>
      <image:title>Arsenic ICP Standard, 10,000 ppm As in 5% HNO? - PAS10KN-50</image:title>
      <image:caption>Arsenic ICP Standard, 10,000 ppm As in 5% HNO? - PAS10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/arsenic-icp-standard-1000-ppm-as-in-3-hcl-pas1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_9e73e6e3-20dd-44b2-8b41-3f6ba10c011c.png?v=1737682186</image:loc>
      <image:title>Arsenic ICP Standard, 1000 ppm As in 3% HCl - PAS1KH-500</image:title>
      <image:caption>Arsenic ICP Standard, 1000 ppm As in 3% HCl - PAS1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/arsenic-icp-standard-1000-ppm-as-in-3-hno-pas1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_3a1be3f5-f857-42bd-bb99-ba6cf463daeb.png?v=1737682186</image:loc>
      <image:title>Arsenic ICP Standard, 1000 ppm As in 3% HNO? - PAS1KN-100</image:title>
      <image:caption>Arsenic ICP Standard, 1000 ppm As in 3% HNO? - PAS1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/arsenic-icp-standard-1000-ppm-as-in-3-hno-pas1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d1bd57ee-c055-4aa1-b02f-4e0f9af1a47e.png?v=1737682187</image:loc>
      <image:title>Arsenic ICP Standard, 1000 ppm As in 3% HNO? - PAS1KN-500</image:title>
      <image:caption>Arsenic ICP Standard, 1000 ppm As in 3% HNO? - PAS1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/gold-icp-standard-10000-ppm-au-in-5-hcl-pau10kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b4c2550d-d60c-4dee-b8b7-d9afa2974835.png?v=1737682188</image:loc>
      <image:title>Gold ICP Standard, 10,000 ppm Au in 5% HCl - PAU10KH-100</image:title>
      <image:caption>Gold ICP Standard, 10,000 ppm Au in 5% HCl - PAU10KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/gold-icp-standard-10000-ppm-au-in-5-hcl-pau10kh-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1f856a3a-ee1f-489f-a04f-3a5a06ea2299.png?v=1737682189</image:loc>
      <image:title>Gold ICP Standard, 10,000 ppm Au in 5% HCl - PAU10KH-50</image:title>
      <image:caption>Gold ICP Standard, 10,000 ppm Au in 5% HCl - PAU10KH-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/gold-icp-standard-1000-ppm-au-in-3-hcl-pau1kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a3b51d5f-f928-4756-924c-91064b01ad31.png?v=1737682189</image:loc>
      <image:title>Gold ICP Standard, 1000 ppm Au in 3% HCl - PAU1KH-100</image:title>
      <image:caption>Gold ICP Standard, 1000 ppm Au in 3% HCl - PAU1KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/gold-icp-standard-1000-ppm-au-in-3-hcl-pau1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-general_500c_92c7c088-4d74-4b04-9641-59cb4e496693.png?v=1737682190</image:loc>
      <image:title>Gold ICP Standard, 1000 ppm Au in 3% HCl - PAU1KH-500</image:title>
      <image:caption>Gold ICP Standard, 1000 ppm Au in 3% HCl - PAU1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/goldcopper-icp-standard-8-ppm-au-cu-rpaucu08-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_6e167963-afc3-43e9-ad82-f5b1b72a35fe.png?v=1737682191</image:loc>
      <image:title>Gold/Copper ICP Standard, 8 ppm AU, Cu - RPAUCU08-500N</image:title>
      <image:caption>Gold/Copper ICP Standard, 8 ppm AU, Cu - RPAUCU08-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/goldcopper-icp-standard-10-ppm-au-cu-rpaucu10-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_ca5e554d-647f-455c-af3e-d8da41d23db8.png?v=1737682191</image:loc>
      <image:title>Gold/Copper ICP Standard, 10 ppm Au, Cu - RPAUCU10-500N</image:title>
      <image:caption>Gold/Copper ICP Standard, 10 ppm Au, Cu - RPAUCU10-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/boron-icp-standard-100-ppm-b-in-ho-rpb100w0-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_9d14c267-dbdd-4388-a022-0940f6b3bca4.png?v=1737682192</image:loc>
      <image:title>Boron ICP Standard, 100 ppm B in H?O - RPB100W0-100N</image:title>
      <image:caption>Boron ICP Standard, 100 ppm B in H?O - RPB100W0-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/boron-icp-standard-100-ppm-b-in-ho-rpb100w0-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b5dde32c-7f9e-48de-98f0-53f8c58f66bd.png?v=1737682193</image:loc>
      <image:title>Boron ICP Standard, 100 ppm B in H?O - RPB100W0-500N</image:title>
      <image:caption>Boron ICP Standard, 100 ppm B in H?O - RPB100W0-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/boron-icp-standard-10000-ppm-b-in-ho-pb10kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_095183f2-fbe8-4976-a684-574beb3bad28.png?v=1737682193</image:loc>
      <image:title>Boron ICP Standard, 10,000 ppm B in H?O - PB10KW-100</image:title>
      <image:caption>Boron ICP Standard, 10,000 ppm B in H?O - PB10KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/boron-icp-standard-10000-ppm-b-in-ho-pb10kw-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_243c2fd5-e752-46dc-8fe5-80ff89517272.png?v=1737682194</image:loc>
      <image:title>Boron ICP Standard, 10,000 ppm B in H?O - PB10KW-500</image:title>
      <image:caption>Boron ICP Standard, 10,000 ppm B in H?O - PB10KW-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/boron-icp-standard-10000-ppm-b-in-ho-pb10kw-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_630b8584-cb2b-4eeb-b6b0-ccbb760031d2.png?v=1737682195</image:loc>
      <image:title>Boron ICP Standard, 10,000 ppm B in H?O - PB10KW-50</image:title>
      <image:caption>Boron ICP Standard, 10,000 ppm B in H?O - PB10KW-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/boron-icp-standard-1000-ppm-b-in-hotr-nhoh-pb1kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f92b9ca8-ad64-467c-b05c-7ce788ed8268.png?v=1737682196</image:loc>
      <image:title>Boron ICP Standard, 1000 ppm B in H?O/tr NH?OH - PB1KW-100</image:title>
      <image:caption>Boron ICP Standard, 1000 ppm B in H?O/tr NH?OH - PB1KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/boron-icp-standard-1000-ppm-b-in-hotr-nhoh-pb1kw-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_9c471221-e341-4872-b68d-730d2bcaa649.png?v=1737682196</image:loc>
      <image:title>Boron ICP Standard, 1000 ppm B in H?O/tr NH?OH - PB1KW-500</image:title>
      <image:caption>Boron ICP Standard, 1000 ppm B in H?O/tr NH?OH - PB1KW-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/barium-icp-standard-10000-ppm-ba-in-5-hno-pba10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_5bede90a-51b3-4aed-bf9e-6f0df3224492.png?v=1737682197</image:loc>
      <image:title>Barium ICP Standard, 10,000 ppm Ba in 5% HNO? - PBA10KN-100</image:title>
      <image:caption>Barium ICP Standard, 10,000 ppm Ba in 5% HNO? - PBA10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/barium-icp-standard-10000-ppm-ba-in-5-hno-pba10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1f637ff6-63ea-45b7-b155-c772505aaf53.png?v=1737682198</image:loc>
      <image:title>Barium ICP Standard, 10,000 ppm Ba in 5% HNO? - PBA10KN-500</image:title>
      <image:caption>Barium ICP Standard, 10,000 ppm Ba in 5% HNO? - PBA10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/barium-icp-standard-10000-ppm-ba-in-5-hno-pba10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_e48dbf51-b95f-4570-aed6-a250d426cfd6.png?v=1737682198</image:loc>
      <image:title>Barium ICP Standard, 10,000 ppm Ba in 5% HNO? - PBA10KN-50</image:title>
      <image:caption>Barium ICP Standard, 10,000 ppm Ba in 5% HNO? - PBA10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/barium-icp-standard-1000-ppm-ba-in-3-hcl-pba1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d981eb42-ed1c-4a65-b22e-822d4a444187.png?v=1737682199</image:loc>
      <image:title>Barium ICP Standard, 1000 ppm Ba in 3% HCl - PBA1KH-500</image:title>
      <image:caption>Barium ICP Standard, 1000 ppm Ba in 3% HCl - PBA1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/barium-icp-standard-1000-ppm-ba-in-3-hno-pba1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_c864799d-9b15-4fab-b80a-d37f5873ea99.png?v=1737682200</image:loc>
      <image:title>Barium ICP Standard, 1000 ppm Ba in 3% HNO? - PBA1KN-100</image:title>
      <image:caption>Barium ICP Standard, 1000 ppm Ba in 3% HNO? - PBA1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/barium-icp-standard-1000-ppm-ba-in-3-hno-pba1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_edef9a2a-9d1c-4ea8-b988-ac7e03f65a05.png?v=1737682201</image:loc>
      <image:title>Barium ICP Standard, 1000 ppm Ba in 3% HNO? - PBA1KN-500</image:title>
      <image:caption>Barium ICP Standard, 1000 ppm Ba in 3% HNO? - PBA1KN-500</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/beryllium-icp-standard-10000-ppm-be-in-5-hno-pbe10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d45ee7d6-e439-4daa-8e4e-c0dc52cab3d6.png?v=1737682201</image:loc>
      <image:title>Beryllium ICP Standard, 10,000 ppm Be in 5% HNO? - PBE10KN-100</image:title>
      <image:caption>Beryllium ICP Standard, 10,000 ppm Be in 5% HNO? - PBE10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/beryllium-icp-standard-10000-ppm-be-in-5-hno-pbe10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_8a8b1be6-30f5-4ee5-ada6-8ea2fa6a272b.png?v=1737682202</image:loc>
      <image:title>Beryllium ICP Standard, 10,000 ppm Be in 5% HNO? - PBE10KN-50</image:title>
      <image:caption>Beryllium ICP Standard, 10,000 ppm Be in 5% HNO? - PBE10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/beryllium-icp-standard-1000-ppm-be-in-3-hno-pbe1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_5a7a2a14-00f6-4045-ab29-b247b3625716.png?v=1737682203</image:loc>
      <image:title>Beryllium ICP Standard, 1000 ppm Be in 3% HNO? - PBE1KN-100</image:title>
      <image:caption>Beryllium ICP Standard, 1000 ppm Be in 3% HNO? - PBE1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/beryllium-icp-standard-1000-ppm-be-in-3-hno-pbe1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_114562f4-cd15-47f9-9467-fe959979766a.png?v=1737682204</image:loc>
      <image:title>Beryllium ICP Standard, 1000 ppm Be in 3% HNO? - PBE1KN-500</image:title>
      <image:caption>Beryllium ICP Standard, 1000 ppm Be in 3% HNO? - PBE1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/bismuth-icp-standard-10000-ppm-bi-in-5-hno-pbi10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_9d4e64e6-fbf6-494d-82f6-e072143aa1ee.png?v=1737682204</image:loc>
      <image:title>Bismuth ICP Standard, 10,000 ppm Bi in 5% HNO? - PBI10KN-100</image:title>
      <image:caption>Bismuth ICP Standard, 10,000 ppm Bi in 5% HNO? - PBI10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/bismuth-icp-standard-10000-ppm-bi-in-5-hno-pbi10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f146e1e2-9ac7-48a6-9afc-567b014ea374.png?v=1737682205</image:loc>
      <image:title>Bismuth ICP Standard, 10,000 ppm Bi in 5% HNO? - PBI10KN-500</image:title>
      <image:caption>Bismuth ICP Standard, 10,000 ppm Bi in 5% HNO? - PBI10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/bismuth-icp-standard-10000-ppm-bi-in-5-hno-pbi10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_101015fd-ba91-46f1-bf30-d7001e39892f.png?v=1737682206</image:loc>
      <image:title>Bismuth ICP Standard, 10,000 ppm Bi in 5% HNO? - PBI10KN-50</image:title>
      <image:caption>Bismuth ICP Standard, 10,000 ppm Bi in 5% HNO? - PBI10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/bismuth-icp-standard-1000-ppm-bi-in-3-hno-pbi1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1dbfcacd-42cb-4ef9-8087-63e9d8f1d012.png?v=1737682207</image:loc>
      <image:title>Bismuth ICP Standard, 1000 ppm Bi in 3% HNO? - PBI1KN-100</image:title>
      <image:caption>Bismuth ICP Standard, 1000 ppm Bi in 3% HNO? - PBI1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/bismuth-icp-standard-1000-ppm-bi-in-3-hno-pbi1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_e9421657-a794-4c4a-ad68-f96dc0f77600.png?v=1737682207</image:loc>
      <image:title>Bismuth ICP Standard, 1000 ppm Bi in 3% HNO? - PBI1KN-500</image:title>
      <image:caption>Bismuth ICP Standard, 1000 ppm Bi in 3% HNO? - PBI1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/calcium-icp-standard-100-ppm-ca-in-dilute-hno-rpca01kn-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_793a2f1c-16ac-43a3-b2ef-d39041515507.png?v=1737682208</image:loc>
      <image:title>Calcium ICP Standard, 100 ppm Ca in dilute HNO? - RPCA01KN-100N</image:title>
      <image:caption>Calcium ICP Standard, 100 ppm Ca in dilute HNO? - RPCA01KN-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/calcium-icp-standard-10000-ppm-ca-in-5-hcl-pca10kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_4a43588c-cfab-489f-94b0-f8ea5dc7cbde.png?v=1737682209</image:loc>
      <image:title>Calcium ICP Standard, 10,000 ppm Ca in 5% HCl - PCA10KH-500</image:title>
      <image:caption>Calcium ICP Standard, 10,000 ppm Ca in 5% HCl - PCA10KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/calcium-icp-standard-10000-ppm-ca-in-5-hno-pca10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f06b8812-1f1b-44ec-99d9-4b1e558884d2.png?v=1737682210</image:loc>
      <image:title>Calcium ICP Standard, 10,000 ppm Ca in 5% HNO? - PCA10KN-100</image:title>
      <image:caption>Calcium ICP Standard, 10,000 ppm Ca in 5% HNO? - PCA10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/calcium-icp-standard-10000-ppm-ca-in-5-hno-pca10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_7b9a4abf-6a63-4545-85dc-21e20f3668f4.png?v=1737682211</image:loc>
      <image:title>Calcium ICP Standard, 10,000 ppm Ca in 5% HNO? - PCA10KN-500</image:title>
      <image:caption>Calcium ICP Standard, 10,000 ppm Ca in 5% HNO? - PCA10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/calcium-icp-standard-10000-ppm-ca-in-5-hno-pca10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_e4066856-a429-4d01-8247-b134416e32eb.png?v=1737682212</image:loc>
      <image:title>Calcium ICP Standard, 10,000 ppm Ca in 5% HNO? - PCA10KN-50</image:title>
      <image:caption>Calcium ICP Standard, 10,000 ppm Ca in 5% HNO? - PCA10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/calcium-icp-standard-1000-ppm-ca-in-3-hcl-pca1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_03ad7c63-3b44-4232-8394-c107d954ebb0.png?v=1737682213</image:loc>
      <image:title>Calcium ICP Standard, 1000 ppm Ca in 3% HCl - PCA1KH-500</image:title>
      <image:caption>Calcium ICP Standard, 1000 ppm Ca in 3% HCl - PCA1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/calcium-icp-standard-1000-ppm-ca-in-3-hno-pca1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_0be731ec-ea07-443c-83df-5da35686ad5d.png?v=1737682214</image:loc>
      <image:title>Calcium ICP Standard, 1000 ppm Ca in 3% HNO? - PCA1KN-100</image:title>
      <image:caption>Calcium ICP Standard, 1000 ppm Ca in 3% HNO? - PCA1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/calcium-icp-standard-1000-ppm-ca-in-3-hno-pca1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_acd03b9e-7f08-4039-bb94-f4e859d78579.png?v=1737682215</image:loc>
      <image:title>Calcium ICP Standard, 1000 ppm Ca in 3% HNO? - PCA1KN-500</image:title>
      <image:caption>Calcium ICP Standard, 1000 ppm Ca in 3% HNO? - PCA1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cadmium-icp-standard-10000-ppm-cd-in-5-hno-pcd10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_e4620ece-a5a3-4a3a-98eb-48b795fb9fdf.png?v=1737682216</image:loc>
      <image:title>Cadmium ICP Standard, 10,000 ppm Cd in 5% HNO? - PCD10KN-100</image:title>
      <image:caption>Cadmium ICP Standard, 10,000 ppm Cd in 5% HNO? - PCD10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cadmium-icp-standard-10000-ppm-cd-in-5-hno-pcd10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b364080c-3424-4fc3-8604-45e5a881a695.png?v=1737682217</image:loc>
      <image:title>Cadmium ICP Standard, 10,000 ppm Cd in 5% HNO? - PCD10KN-500</image:title>
      <image:caption>Cadmium ICP Standard, 10,000 ppm Cd in 5% HNO? - PCD10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cadmium-icp-standard-1000-ppm-cd-in-3-hcl-pcd1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_acd9bf6d-a86f-4ef6-8fbe-78ad7048e803.png?v=1737682218</image:loc>
      <image:title>Cadmium ICP Standard, 1000 ppm Cd in 3% HCl - PCD1KH-500</image:title>
      <image:caption>Cadmium ICP Standard, 1000 ppm Cd in 3% HCl - PCD1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cadmium-icp-standard-1000-ppm-cd-in-3-hno-pcd1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_49937fcf-adb6-442f-a0cf-9b079e4627dc.png?v=1737682229</image:loc>
      <image:title>Cadmium ICP Standard, 1000 ppm Cd in 3% HNO? - PCD1KN-100</image:title>
      <image:caption>Cadmium ICP Standard, 1000 ppm Cd in 3% HNO? - PCD1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cadmium-icp-standard-1000-ppm-cd-in-3-hno-pcd1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_7d518925-b1b5-4287-bafc-d3f6d646bc46.png?v=1737682230</image:loc>
      <image:title>Cadmium ICP Standard, 1000 ppm Cd in 3% HNO? - PCD1KN-500</image:title>
      <image:caption>Cadmium ICP Standard, 1000 ppm Cd in 3% HNO? - PCD1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cerium-icp-standard-10000-ppm-ce-in-10-hno-pce10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_3604bf87-1a86-4345-80bd-0451a0b09272.png?v=1737682231</image:loc>
      <image:title>Cerium ICP Standard, 10,000 ppm Ce in 10% HNO? - PCE10KN-100</image:title>
      <image:caption>Cerium ICP Standard, 10,000 ppm Ce in 10% HNO? - PCE10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cerium-icp-standard-10000-ppm-ce-in-10-hno-pce10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_607330e8-658f-46fe-a571-871471e02273.png?v=1737682232</image:loc>
      <image:title>Cerium ICP Standard, 10,000 ppm Ce in 10% HNO? - PCE10KN-500</image:title>
      <image:caption>Cerium ICP Standard, 10,000 ppm Ce in 10% HNO? - PCE10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cerium-icp-standard-10000-ppm-ce-in-10-hno-pce10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d0c85c4a-59e1-4c3b-9712-a88e34191bfe.png?v=1737682233</image:loc>
      <image:title>Cerium ICP Standard, 10,000 ppm Ce in 10% HNO? - PCE10KN-50</image:title>
      <image:caption>Cerium ICP Standard, 10,000 ppm Ce in 10% HNO? - PCE10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cerium-icp-standard-1000-ppm-ce-in-3-hno-pce1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f2003baa-e94f-4d04-a0ee-87fef45fc2ee.png?v=1737682234</image:loc>
      <image:title>Cerium ICP Standard, 1000 ppm Ce in 3% HNO? - PCE1KN-100</image:title>
      <image:caption>Cerium ICP Standard, 1000 ppm Ce in 3% HNO? - PCE1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cerium-icp-standard-1000-ppm-ce-in-3-hno-pce1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_8cb06947-9479-46f5-bd8a-3b045d43cd18.png?v=1737682235</image:loc>
      <image:title>Cerium ICP Standard, 1000 ppm Ce in 3% HNO? - PCE1KN-500</image:title>
      <image:caption>Cerium ICP Standard, 1000 ppm Ce in 3% HNO? - PCE1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cobalt-icp-standard-10000-ppm-co-in-5-hno-pco10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_4661a7b2-e6ab-4ad3-b3c7-cd881f32811c.png?v=1737682236</image:loc>
      <image:title>Cobalt ICP Standard, 10,000 ppm Co in 5% HNO? - PCO10KN-100</image:title>
      <image:caption>Cobalt ICP Standard, 10,000 ppm Co in 5% HNO? - PCO10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cobalt-icp-standard-10000-ppm-co-in-5-hno-pco10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_4fdf5b92-06d1-4a44-8ede-20d9d54549bc.png?v=1737682237</image:loc>
      <image:title>Cobalt ICP Standard, 10,000 ppm Co in 5% HNO? - PCO10KN-500</image:title>
      <image:caption>Cobalt ICP Standard, 10,000 ppm Co in 5% HNO? - PCO10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cobalt-icp-standard-10000-ppm-co-in-5-hno-pco10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_cd6af55d-da85-46ea-9bea-35ef41f84045.png?v=1737682238</image:loc>
      <image:title>Cobalt ICP Standard, 10,000 ppm Co in 5% HNO? - PCO10KN-50</image:title>
      <image:caption>Cobalt ICP Standard, 10,000 ppm Co in 5% HNO? - PCO10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cobalt-icp-standard-1000-ppm-co-in-3-hno-pco1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_344e8108-d942-41ed-a6ae-733649875f0f.png?v=1737682239</image:loc>
      <image:title>Cobalt ICP Standard, 1000 ppm Co in 3% HNO? - PCO1KN-100</image:title>
      <image:caption>Cobalt ICP Standard, 1000 ppm Co in 3% HNO? - PCO1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cobalt-icp-standard-1000-ppm-co-in-3-hno-pco1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_2fd0803f-7e60-436e-a3c6-6237b45b802f.png?v=1737682240</image:loc>
      <image:title>Cobalt ICP Standard, 1000 ppm Co in 3% HNO? - PCO1KN-500</image:title>
      <image:caption>Cobalt ICP Standard, 1000 ppm Co in 3% HNO? - PCO1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/chromium-icp-standard-100-ppm-cr-in-dilute-hno-rpcr01kn-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_3ef0cdfa-d237-483b-8e3d-f2d1a6821083.png?v=1737682241</image:loc>
      <image:title>Chromium ICP Standard, 100 ppm Cr in dilute HNO? - RPCR01KN-100N</image:title>
      <image:caption>Chromium ICP Standard, 100 ppm Cr in dilute HNO? - RPCR01KN-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/chromium-icp-standard-10000-ppm-cr-in-5-hcl-pcr10kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_8ba57a2d-4541-4664-bf30-83ad224141b5.png?v=1737682242</image:loc>
      <image:title>Chromium ICP Standard, 10,000 ppm Cr in 5% HCl - PCR10KH-500</image:title>
      <image:caption>Chromium ICP Standard, 10,000 ppm Cr in 5% HCl - PCR10KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/chromium-icp-standard-10000-ppm-cr-in-5-hno-pcr10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_3ea91662-3712-4278-a2be-b17bad5e0b89.png?v=1737682243</image:loc>
      <image:title>Chromium ICP Standard, 10,000 ppm Cr in 5% HNO? - PCR10KN-100</image:title>
      <image:caption>Chromium ICP Standard, 10,000 ppm Cr in 5% HNO? - PCR10KN-100</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_87fc781d-cefa-4f78-8428-07c2f2493b43.png?v=1737682244</image:loc>
      <image:title>Chromium ICP Standard, 10,000 ppm Cr in 5% HNO? - PCR10KN-250</image:title>
      <image:caption>Chromium ICP Standard, 10,000 ppm Cr in 5% HNO? - PCR10KN-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/chromium-icp-standard-10000-ppm-cr-in-5-hno-pcr10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b3d6e9a7-391e-4ecf-b1b2-c7193d119d83.png?v=1737682245</image:loc>
      <image:title>Chromium ICP Standard, 10,000 ppm Cr in 5% HNO? - PCR10KN-500</image:title>
      <image:caption>Chromium ICP Standard, 10,000 ppm Cr in 5% HNO? - PCR10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/chromium-icp-standard-1000-ppm-cr-in-3-hcl-pcr1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1e3520a0-6880-43fb-9cf1-fdf0506d1f68.png?v=1737682246</image:loc>
      <image:title>Chromium ICP Standard, 1000 ppm Cr in 3% HCl - PCR1KH-500</image:title>
      <image:caption>Chromium ICP Standard, 1000 ppm Cr in 3% HCl - PCR1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/chromium-icp-standard-1000-ppm-cr-in-3-hno-pcr1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a49852a6-21a0-4dce-bb7d-dda72e352393.png?v=1737682248</image:loc>
      <image:title>Chromium ICP Standard, 1000 ppm Cr in 3% HNO? - PCR1KN-100</image:title>
      <image:caption>Chromium ICP Standard, 1000 ppm Cr in 3% HNO? - PCR1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/chromium-icp-standard-1000-ppm-cr-in-3-hno-pcr1kn-250</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_3883ad37-6313-4aa2-83f4-62948284098f.png?v=1737682249</image:loc>
      <image:title>Chromium ICP Standard, 1000 ppm Cr in 3% HNO? - PCR1KN-250</image:title>
      <image:caption>Chromium ICP Standard, 1000 ppm Cr in 3% HNO? - PCR1KN-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/chromium-icp-standard-1000-ppm-cr-in-3-hno-pcr1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d3b44b2f-97c7-4d9a-ad6c-c5a09618801d.png?v=1737682250</image:loc>
      <image:title>Chromium ICP Standard, 1000 ppm Cr in 3% HNO? - PCR1KN-500</image:title>
      <image:caption>Chromium ICP Standard, 1000 ppm Cr in 3% HNO? - PCR1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/hexavalent-chromium-icp-standard-1000-ppm-cr-in-3-hcl-pcr61kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1eb302fd-a8ad-4688-b171-a943d7ca4347.png?v=1737682251</image:loc>
      <image:title>Hexavalent Chromium ICP Standard, 1000 ppm Cr?? in 3% HCl - PCR61KH-100</image:title>
      <image:caption>Hexavalent Chromium ICP Standard, 1000 ppm Cr?? in 3% HCl - PCR61KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/hexavalent-chromium-icp-standard-1000-ppm-cr-in-3-hcl-pcr61kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_e64ff4c1-6ea4-49b2-81e9-096e06e2925e.png?v=1737682252</image:loc>
      <image:title>Hexavalent Chromium ICP Standard, 1000 ppm Cr?? in 3% HCl - PCR61KH-500</image:title>
      <image:caption>Hexavalent Chromium ICP Standard, 1000 ppm Cr?? in 3% HCl - PCR61KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/hexavalent-chromium-icp-standard-1000-ppm-cr-in-3-hno-pcr61kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d282edca-84bb-478e-a08a-27f5c07f4433.png?v=1737682253</image:loc>
      <image:title>Hexavalent Chromium ICP Standard, 1000 ppm Cr?? in 3% HNO? - PCR61KN-100</image:title>
      <image:caption>Hexavalent Chromium ICP Standard, 1000 ppm Cr?? in 3% HNO? - PCR61KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/hexavalent-chromium-icp-standard-1000-ppm-cr-in-3-hno-pcr61kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_0fb3882c-4fbb-450d-a8a0-fd8580991f6a.png?v=1737682254</image:loc>
      <image:title>Hexavalent Chromium ICP Standard, 1000 ppm Cr?? in 3% HNO? - PCR61KN-500</image:title>
      <image:caption>Hexavalent Chromium ICP Standard, 1000 ppm Cr?? in 3% HNO? - PCR61KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/hexavalent-chromium-icp-standard-10000-ppm-cr-in-5-hcl-pcr610kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_e5fe14e9-ee6c-40d8-bb88-d999af2976bf.png?v=1737682255</image:loc>
      <image:title>Hexavalent Chromium ICP Standard, 10,000 ppm Cr?? in 5% HCl - PCR610KH-100</image:title>
      <image:caption>Hexavalent Chromium ICP Standard, 10,000 ppm Cr?? in 5% HCl - PCR610KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/hexavalent-chromium-icp-standard-10000-ppm-cr-in-5-hcl-pcr610kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_608ba826-2cd2-4fab-ab51-3869766854b9.png?v=1737682256</image:loc>
      <image:title>Hexavalent Chromium ICP Standard, 10,000 ppm Cr?? in 5% HCl - PCR610KH-500</image:title>
      <image:caption>Hexavalent Chromium ICP Standard, 10,000 ppm Cr?? in 5% HCl - PCR610KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/hexavalent-chromium-icp-standard-10000-ppm-cr-in-5-hcl-pcr610kh-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_26d11302-e395-4ad8-8d56-01651ad0f5bb.png?v=1737682257</image:loc>
      <image:title>Hexavalent Chromium ICP Standard, 10,000 ppm Cr?? in 5% HCl - PCR610KH-50</image:title>
      <image:caption>Hexavalent Chromium ICP Standard, 10,000 ppm Cr?? in 5% HCl - PCR610KH-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/hexavalent-chromium-icp-standard-10000-ppm-cr-in-5-hno-pcr610kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_121bae12-cec8-4c75-a840-5c3cde3c4db5.png?v=1737682258</image:loc>
      <image:title>Hexavalent Chromium ICP Standard, 10,000 ppm Cr?? in 5% HNO? - PCR610KN-100</image:title>
      <image:caption>Hexavalent Chromium ICP Standard, 10,000 ppm Cr?? in 5% HNO? - PCR610KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/hexavalent-chromium-icp-standard-10000-ppm-cr-in-5-hno-pcr610kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_6a5e699e-6f0a-4185-a260-f17bb6747131.png?v=1737682259</image:loc>
      <image:title>Hexavalent Chromium ICP Standard, 10,000 ppm Cr?? in 5% HNO? - PCR610KN-50</image:title>
      <image:caption>Hexavalent Chromium ICP Standard, 10,000 ppm Cr?? in 5% HNO? - PCR610KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cesium-icp-standard-10000-ppm-cs-in-5-hno-pcs10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_dff877d4-b1d1-4d40-a910-a1a9fef00ad4.png?v=1737682260</image:loc>
      <image:title>Cesium ICP Standard, 10,000 ppm Cs in 5% HNO? - PCS10KN-100</image:title>
      <image:caption>Cesium ICP Standard, 10,000 ppm Cs in 5% HNO? - PCS10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cesium-icp-standard-10000-ppm-cs-in-5-hno-pcs10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_8d53377c-97b0-47c2-a562-59dbce785cdb.png?v=1737682261</image:loc>
      <image:title>Cesium ICP Standard, 10,000 ppm Cs in 5% HNO? - PCS10KN-500</image:title>
      <image:caption>Cesium ICP Standard, 10,000 ppm Cs in 5% HNO? - PCS10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/cesium-icp-standard-1000-ppm-cs-in-3-hno-pcs1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_6db1bf8f-ca15-409e-872c-24b9af2d6c5f.png?v=1737682262</image:loc>
      <image:title>Cesium ICP Standard, 1000 ppm Cs in 3% HNO? - PCS1KN-100</image:title>
      <image:caption>Cesium ICP Standard, 1000 ppm Cs in 3% HNO? - PCS1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/copper-icp-standard-100-ppm-cu-in-dilute-hno-rpcu01kn-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d9a99676-d3c3-4f16-993c-572924142ff1.png?v=1737682263</image:loc>
      <image:title>Copper ICP Standard, 100 ppm Cu in dilute HNO? - RPCU01KN-100N</image:title>
      <image:caption>Copper ICP Standard, 100 ppm Cu in dilute HNO? - RPCU01KN-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/copper-icp-standard-10000-ppm-cu-in-5-hno-pcu10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_71cc813b-fc17-4979-8a10-fca63829d0af.png?v=1737682264</image:loc>
      <image:title>Copper ICP Standard, 10,000 ppm Cu in 5% HNO? - PCU10KN-100</image:title>
      <image:caption>Copper ICP Standard, 10,000 ppm Cu in 5% HNO? - PCU10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/copper-icp-standard-10000-ppm-cu-in-5-hno-pcu10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_93fd52b4-540d-4c18-b957-2214672c7bf6.png?v=1737682265</image:loc>
      <image:title>Copper ICP Standard, 10,000 ppm Cu in 5% HNO? - PCU10KN-500</image:title>
      <image:caption>Copper ICP Standard, 10,000 ppm Cu in 5% HNO? - PCU10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/copper-icp-standard-10000-ppm-cu-in-5-hno-pcu10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_0f53b487-4079-47cc-ab61-1cfd27b62d75.png?v=1737682266</image:loc>
      <image:title>Copper ICP Standard, 10,000 ppm Cu in 5% HNO? - PCU10KN-50</image:title>
      <image:caption>Copper ICP Standard, 10,000 ppm Cu in 5% HNO? - PCU10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/copper-icp-standard-1000-ppm-cu-in-3-hno-pcu1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d94f319f-dd8f-4f03-9d34-8d30e0e78cf0.png?v=1737682267</image:loc>
      <image:title>Copper ICP Standard, 1000 ppm Cu in 3% HNO? - PCU1KN-100</image:title>
      <image:caption>Copper ICP Standard, 1000 ppm Cu in 3% HNO? - PCU1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/copper-icp-standard-1000-ppm-cu-in-3-hno-pcu1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_7afaa42a-3eb9-4e88-84e8-05963bd138c1.png?v=1737682268</image:loc>
      <image:title>Copper ICP Standard, 1000 ppm Cu in 3% HNO? - PCU1KN-500</image:title>
      <image:caption>Copper ICP Standard, 1000 ppm Cu in 3% HNO? - PCU1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/dysprosium-icp-standard-1000-ppm-dy-in-3-hno-pdy1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f5239d47-c2a8-4294-a118-48a8cbdfdb9a.png?v=1737682269</image:loc>
      <image:title>Dysprosium ICP Standard, 1000 ppm Dy in 3% HNO? - PDY1KN-100</image:title>
      <image:caption>Dysprosium ICP Standard, 1000 ppm Dy in 3% HNO? - PDY1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/dysprosium-icp-standard-1000-ppm-dy-in-3-hno-pdy1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a5349243-1877-42c4-8ef0-057a5c09f872.png?v=1737682270</image:loc>
      <image:title>Dysprosium ICP Standard, 1000 ppm Dy in 3% HNO? - PDY1KN-500</image:title>
      <image:caption>Dysprosium ICP Standard, 1000 ppm Dy in 3% HNO? - PDY1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/erbium-icp-standard-1000-ppm-er-in-3-hno-per1kn-100</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_936760d4-27d6-427a-b7be-4d14061043da.png?v=1737682270</image:loc>
      <image:title>Erbium ICP Standard, 1000 ppm Er in 3% HNO? - PER1KN-100</image:title>
      <image:caption>Erbium ICP Standard, 1000 ppm Er in 3% HNO? - PER1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/erbium-icp-standard-1000-ppm-er-in-3-hno-per1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_17bb8ce1-ae62-4234-b643-bb92a1c99029.png?v=1737682271</image:loc>
      <image:title>Erbium ICP Standard, 1000 ppm Er in 3% HNO? - PER1KN-500</image:title>
      <image:caption>Erbium ICP Standard, 1000 ppm Er in 3% HNO? - PER1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/europium-icp-standard-1000-ppm-eu-in-3-hno-peu1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_14e3cbe0-b13d-4860-8f1e-6c7b38ea71e9.png?v=1737682272</image:loc>
      <image:title>Europium ICP Standard, 1000 ppm Eu in 3% HNO? - PEU1KN-100</image:title>
      <image:caption>Europium ICP Standard, 1000 ppm Eu in 3% HNO? - PEU1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/europium-icp-standard-1000-ppm-eu-in-3-hno-peu1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a7b063ba-a02b-4586-ab8a-e0a8f906c90d.png?v=1737682273</image:loc>
      <image:title>Europium ICP Standard, 1000 ppm Eu in 3% HNO? - PEU1KN-500</image:title>
      <image:caption>Europium ICP Standard, 1000 ppm Eu in 3% HNO? - PEU1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/iron-icp-standard-100-ppm-fe-in-dilute-hno-rpfe01kn-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_24d029a7-58f8-4609-9670-12ea8a1e760a.png?v=1737682274</image:loc>
      <image:title>Iron ICP Standard, 100 ppm Fe in dilute HNO? - RPFE01KN-100N</image:title>
      <image:caption>Iron ICP Standard, 100 ppm Fe in dilute HNO? - RPFE01KN-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/iron-icp-standard-10000-ppm-fe-in-5-hno-pfe10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_ca4c0058-bdc9-4679-981f-8f4bdf66cc17.png?v=1737682275</image:loc>
      <image:title>Iron ICP Standard, 10,000 ppm Fe in 5% HNO? - PFE10KN-100</image:title>
      <image:caption>Iron ICP Standard, 10,000 ppm Fe in 5% HNO? - PFE10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/iron-icp-standard-10000-ppm-fe-in-5-hno-pfe10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_4fca53b9-0ab6-49f8-a736-091eaa0f1c69.png?v=1737682276</image:loc>
      <image:title>Iron ICP Standard, 10,000 ppm Fe in 5% HNO? - PFE10KN-500</image:title>
      <image:caption>Iron ICP Standard, 10,000 ppm Fe in 5% HNO? - PFE10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/iron-icp-standard-10000-ppm-fe-in-5-hno-pfe10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_48117dff-1921-4f43-9b46-67cf84aeb7d7.png?v=1737682277</image:loc>
      <image:title>Iron ICP Standard, 10,000 ppm Fe in 5% HNO? - PFE10KN-50</image:title>
      <image:caption>Iron ICP Standard, 10,000 ppm Fe in 5% HNO? - PFE10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/iron-icp-standard-1000-ppm-fe-in-3-hno-pfe1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b341cd95-3f03-4574-8f84-80d7af002021.png?v=1737682279</image:loc>
      <image:title>Iron ICP Standard, 1000 ppm Fe in 3% HNO? - PFE1KN-100</image:title>
      <image:caption>Iron ICP Standard, 1000 ppm Fe in 3% HNO? - PFE1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/iron-icp-standard-1000-ppm-fe-in-3-hno-pfe1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_7a79eada-2025-4258-a44d-002bce1d825c.png?v=1737682280</image:loc>
      <image:title>Iron ICP Standard, 1000 ppm Fe in 3% HNO? - PFE1KN-500</image:title>
      <image:caption>Iron ICP Standard, 1000 ppm Fe in 3% HNO? - PFE1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/gallium-icp-standard-10000-ppm-ga-in-5-hno-pga10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_63c260c6-6903-4dec-b2d8-bd8351d5f456.png?v=1737682281</image:loc>
      <image:title>Gallium ICP Standard, 10,000 ppm Ga in 5% HNO? - PGA10KN-100</image:title>
      <image:caption>Gallium ICP Standard, 10,000 ppm Ga in 5% HNO? - PGA10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/gallium-icp-standard-10000-ppm-ga-in-5-hno-pga10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1545c5fe-2b73-44f0-b79a-1954bc5b2897.png?v=1737682282</image:loc>
      <image:title>Gallium ICP Standard, 10,000 ppm Ga in 5% HNO? - PGA10KN-50</image:title>
      <image:caption>Gallium ICP Standard, 10,000 ppm Ga in 5% HNO? - PGA10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/gallium-icp-standard-1000-ppm-ga-in-3-hno-pga1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1f1510e9-ce3f-4b71-9de8-7d366f57d6f2.png?v=1737682283</image:loc>
      <image:title>Gallium ICP Standard, 1000 ppm Ga in 3% HNO? - PGA1KN-100</image:title>
      <image:caption>Gallium ICP Standard, 1000 ppm Ga in 3% HNO? - PGA1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/gallium-icp-standard-1000-ppm-ga-in-3-hno-pga1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_c72e70a0-644c-44b2-a817-42d4893c20c4.png?v=1737682284</image:loc>
      <image:title>Gallium ICP Standard, 1000 ppm Ga in 3% HNO? - PGA1KN-500</image:title>
      <image:caption>Gallium ICP Standard, 1000 ppm Ga in 3% HNO? - PGA1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/gadolinium-icp-standard-1000-ppm-gd-in-3-hno-pgd1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b4006719-3007-4801-8617-d770e39e192d.png?v=1737682285</image:loc>
      <image:title>Gadolinium ICP Standard, 1000 ppm Gd in 3% HNO? - PGD1KN-100</image:title>
      <image:caption>Gadolinium ICP Standard, 1000 ppm Gd in 3% HNO? - PGD1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/gadolinium-icp-standard-1000-ppm-gd-in-3-hno-pgd1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1f540f41-3d31-4c7e-bd60-dd844060eeca.png?v=1737682286</image:loc>
      <image:title>Gadolinium ICP Standard, 1000 ppm Gd in 3% HNO? - PGD1KN-500</image:title>
      <image:caption>Gadolinium ICP Standard, 1000 ppm Gd in 3% HNO? - PGD1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/germanium-icp-standard-10000-ppm-ge-in-hotr-hf-pge10kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_3a0a0474-1bec-4fbb-8d12-005d6464c3ff.png?v=1737682287</image:loc>
      <image:title>Germanium ICP Standard, 10,000 ppm Ge in H?O/tr HF - PGE10KW-100</image:title>
      <image:caption>Germanium ICP Standard, 10,000 ppm Ge in H?O/tr HF - PGE10KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/germanium-icp-standard-1000-ppm-ge-in-hotr-hf-pge1kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_31e6446f-5f56-4189-b060-82d7d79c97a8.png?v=1737682288</image:loc>
      <image:title>Germanium ICP Standard, 1000 ppm Ge in H?O/tr HF - PGE1KW-100</image:title>
      <image:caption>Germanium ICP Standard, 1000 ppm Ge in H?O/tr HF - PGE1KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/acid-blank-5-vv-hydrochloric-acid-phacid5-25</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-corrosive_10f_1fa2d0d3-0880-4061-89ca-0beae1cfc73a.png?v=1737682289</image:loc>
      <image:title>Acid Blank, 5% (v/v) Hydrochloric Acid - PHACID5-2.5</image:title>
      <image:caption>Acid Blank, 5% (v/v) Hydrochloric Acid - PHACID5-2.5</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/acid-blank-5-vv-hydrochloric-acid-phacid5-1ct</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-4f_fb9b0b43-830c-4ec9-9f6a-28c001416a83.png?v=1737682290</image:loc>
      <image:title>Acid Blank, 5% (v/v) Hydrochloric Acid - PHACID5-1CT</image:title>
      <image:caption>Acid Blank, 5% (v/v) Hydrochloric Acid - PHACID5-1CT</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/acid-blank-5-vv-hydrochloric-acid-phacid5-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_fbc09cab-edcd-400c-b114-626c33ff06d7.png?v=1737682291</image:loc>
      <image:title>Acid Blank, 5% (v/v) Hydrochloric Acid - PHACID5-500</image:title>
      <image:caption>Acid Blank, 5% (v/v) Hydrochloric Acid - PHACID5-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/hafnium-icp-standard-1000-ppm-hf-in-3-hcl-phf1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_9ddb7b52-2dce-4779-b679-fd954a9acd2a.png?v=1737682292</image:loc>
      <image:title>Hafnium ICP Standard, 1000 ppm Hf in 3% HCl - PHF1KH-500</image:title>
      <image:caption>Hafnium ICP Standard, 1000 ppm Hf in 3% HCl - PHF1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/hafnium-icp-standard-1000-ppm-hf-in-3-hno-phf1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_edfe765c-206e-404c-a35c-dfd4213957e0.png?v=1737682293</image:loc>
      <image:title>Hafnium ICP Standard, 1000 ppm Hf in 3% HNO? - PHF1KN-100</image:title>
      <image:caption>Hafnium ICP Standard, 1000 ppm Hf in 3% HNO? - PHF1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mercury-icp-standard-10000-ppm-hg-in-10-hno-phg10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1582f727-e606-4250-a78f-5cf39bd137d0.png?v=1737682294</image:loc>
      <image:title>Mercury ICP Standard, 10,000 ppm Hg in 10% HNO? - PHG10KN-100</image:title>
      <image:caption>Mercury ICP Standard, 10,000 ppm Hg in 10% HNO? - PHG10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mercury-icp-standard-10000-ppm-hg-in-10-hno-phg10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_2e99b181-7053-41a2-b424-14bbc1a462e8.png?v=1737682295</image:loc>
      <image:title>Mercury ICP Standard, 10,000 ppm Hg in 10% HNO? - PHG10KN-500</image:title>
      <image:caption>Mercury ICP Standard, 10,000 ppm Hg in 10% HNO? - PHG10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mercury-icp-standard-1000-ppm-hg-in-3-hno-phg1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_68da0b28-65da-44e3-8609-7c693fc4c6d7.png?v=1737682296</image:loc>
      <image:title>Mercury ICP Standard, 1000 ppm Hg in 3% HNO? - PHG1KN-100</image:title>
      <image:caption>Mercury ICP Standard, 1000 ppm Hg in 3% HNO? - PHG1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mercury-icp-standard-1000-ppm-hg-in-3-hno-phg1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_53c8b49b-af58-4556-99c2-ab7f1cef7c6f.png?v=1737682297</image:loc>
      <image:title>Mercury ICP Standard, 1000 ppm Hg in 3% HNO? - PHG1KN-500</image:title>
      <image:caption>Mercury ICP Standard, 1000 ppm Hg in 3% HNO? - PHG1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/holmium-icp-standard-1000-ppm-ho-in-3-hno-pho1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d63451ac-f8f5-4951-a52c-988f4bcc4424.png?v=1737682298</image:loc>
      <image:title>Holmium ICP Standard, 1000 ppm Ho in 3% HNO? - PHO1KN-100</image:title>
      <image:caption>Holmium ICP Standard, 1000 ppm Ho in 3% HNO? - PHO1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/indium-icp-standard-10000-ppm-in-in-5-hno-pin10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_0f56dae2-8518-4a6b-9ca9-65a1f027a6b3.png?v=1737682299</image:loc>
      <image:title>Indium ICP Standard, 10,000 ppm In in 5% HNO? - PIN10KN-500</image:title>
      <image:caption>Indium ICP Standard, 10,000 ppm In in 5% HNO? - PIN10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/indium-icp-standard-10000-ppm-in-in-5-hno-pin10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_83a5baa7-b805-414b-8757-e4d9f18af7ba.png?v=1737682300</image:loc>
      <image:title>Indium ICP Standard, 10,000 ppm In in 5% HNO? - PIN10KN-50</image:title>
      <image:caption>Indium ICP Standard, 10,000 ppm In in 5% HNO? - PIN10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/indium-icp-standard-1000-ppm-in-in-3-hno-pin1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_c770a8c5-4105-4c64-9181-e0cc4f6b47b2.png?v=1737682301</image:loc>
      <image:title>Indium ICP Standard, 1000 ppm In in 3% HNO? - PIN1KN-100</image:title>
      <image:caption>Indium ICP Standard, 1000 ppm In in 3% HNO? - PIN1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/indium-icp-standard-1000-ppm-in-in-3-hno-pin1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_bfec9b2a-6c9e-401b-9a06-afa403aa2a76.png?v=1737682302</image:loc>
      <image:title>Indium ICP Standard, 1000 ppm In in 3% HNO? - PIN1KN-500</image:title>
      <image:caption>Indium ICP Standard, 1000 ppm In in 3% HNO? - PIN1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/iridium-icp-standard-1000-ppm-ir-in-10-hcl-pir1kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_bfb2acd8-a6ac-45c9-8ce4-ab299ba183a4.png?v=1737682303</image:loc>
      <image:title>Iridium ICP Standard, 1000 ppm Ir in 10% HCl - PIR1KH-100</image:title>
      <image:caption>Iridium ICP Standard, 1000 ppm Ir in 10% HCl - PIR1KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/iridium-icp-standard-1000-ppm-ir-in-10-hcl-pir1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_6169ec11-6312-4534-be7e-b0e30d89df09.png?v=1737682304</image:loc>
      <image:title>Iridium ICP Standard, 1000 ppm Ir in 10% HCl - PIR1KH-500</image:title>
      <image:caption>Iridium ICP Standard, 1000 ppm Ir in 10% HCl - PIR1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/potassium-icp-standard-100-ppm-k-in-dilute-hno-rpk01kn0-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_05c2e7df-2bba-46eb-86ca-d081e9379917.png?v=1737682305</image:loc>
      <image:title>Potassium ICP Standard, 100 ppm K in dilute HNO? - RPK01KN0-100N</image:title>
      <image:caption>Potassium ICP Standard, 100 ppm K in dilute HNO? - RPK01KN0-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/potassium-icp-standard-10000-ppm-k-in-5-hcl-pk10kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_29f93e05-c14c-4d2e-bebc-50d6d8b632e1.png?v=1737682306</image:loc>
      <image:title>Potassium ICP Standard, 10,000 ppm K in 5% HCl - PK10KH-500</image:title>
      <image:caption>Potassium ICP Standard, 10,000 ppm K in 5% HCl - PK10KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/potassium-icp-standard-10000-ppm-k-in-5-hno-pk10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a5d8cc7e-42f4-47f8-8fcd-5c7b4e7f7c58.png?v=1737682307</image:loc>
      <image:title>Potassium ICP Standard, 10,000 ppm K in 5% HNO? - PK10KN-100</image:title>
      <image:caption>Potassium ICP Standard, 10,000 ppm K in 5% HNO? - PK10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/potassium-icp-standard-10000-ppm-k-in-5-hno-pk10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_3ba96628-985a-41ee-a218-ffc7ef47a4db.png?v=1737682308</image:loc>
      <image:title>Potassium ICP Standard, 10,000 ppm K in 5% HNO? - PK10KN-500</image:title>
      <image:caption>Potassium ICP Standard, 10,000 ppm K in 5% HNO? - PK10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/potassium-icp-standard-10000-ppm-k-in-5-hno-pk10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_6b242f67-705a-4002-a54c-93c703c5ae0f.png?v=1737682309</image:loc>
      <image:title>Potassium ICP Standard, 10,000 ppm K in 5% HNO? - PK10KN-50</image:title>
      <image:caption>Potassium ICP Standard, 10,000 ppm K in 5% HNO? - PK10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/potassium-icp-standard-1000-ppm-k-in-3-hcl-pk1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b5900081-248c-4cc0-9ab6-1bf2e8896f1f.png?v=1737682310</image:loc>
      <image:title>Potassium ICP Standard, 1000 ppm K in 3% HCl - PK1KH-500</image:title>
      <image:caption>Potassium ICP Standard, 1000 ppm K in 3% HCl - PK1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/potassium-icp-standard-1000-ppm-k-in-3-hno-pk1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_cad1070f-7882-49ed-a5c2-345971df5567.png?v=1737682317</image:loc>
      <image:title>Potassium ICP Standard, 1000 ppm K in 3% HNO? - PK1KN-100</image:title>
      <image:caption>Potassium ICP Standard, 1000 ppm K in 3% HNO? - PK1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/potassium-icp-standard-1000-ppm-k-in-3-hno-pk1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_9ee876f1-e40f-433a-b681-537ac26680a0.png?v=1737682318</image:loc>
      <image:title>Potassium ICP Standard, 1000 ppm K in 3% HNO? - PK1KN-500</image:title>
      <image:caption>Potassium ICP Standard, 1000 ppm K in 3% HNO? - PK1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/lanthanum-icp-standard-10000-ppm-la-in-5-hno-pla10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_8d296370-19f2-49dd-9c90-37fe42759593.png?v=1737682319</image:loc>
      <image:title>Lanthanum ICP Standard, 10,000 ppm La in 5% HNO? - PLA10KN-100</image:title>
      <image:caption>Lanthanum ICP Standard, 10,000 ppm La in 5% HNO? - PLA10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/lanthanum-icp-standard-1000-ppm-la-in-3-hno-pla1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_c9c8baac-dde2-40a8-8790-0b986f63dd7b.png?v=1737682320</image:loc>
      <image:title>Lanthanum ICP Standard, 1000 ppm La in 3% HNO? - PLA1KN-100</image:title>
      <image:caption>Lanthanum ICP Standard, 1000 ppm La in 3% HNO? - PLA1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/lanthanum-icp-standard-1000-ppm-la-in-3-hno-pla1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_eded25bc-7752-4122-a8a7-eac6268e813a.png?v=1737682320</image:loc>
      <image:title>Lanthanum ICP Standard, 1000 ppm La in 3% HNO? - PLA1KN-500</image:title>
      <image:caption>Lanthanum ICP Standard, 1000 ppm La in 3% HNO? - PLA1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/profile-solution-rplas1-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f2d7fa12-edba-4c08-81a4-c05bd2a4e966.png?v=1737682321</image:loc>
      <image:title>Profile Solution - RPLAS1-100</image:title>
      <image:caption>Profile Solution - RPLAS1-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/lithium-icp-standard-10000-ppm-li-in-5-hno-pli10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_9efcfcb6-3654-48e6-b0cf-6c08f79d7d19.png?v=1737682322</image:loc>
      <image:title>Lithium ICP Standard, 10,000 ppm Li in 5% HNO? - PLI10KN-100</image:title>
      <image:caption>Lithium ICP Standard, 10,000 ppm Li in 5% HNO? - PLI10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/lithium-icp-standard-10000-ppm-li-in-5-hno-pli10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_4ea57714-caaa-41e0-aadc-e39af5295c4e.png?v=1737682323</image:loc>
      <image:title>Lithium ICP Standard, 10,000 ppm Li in 5% HNO? - PLI10KN-500</image:title>
      <image:caption>Lithium ICP Standard, 10,000 ppm Li in 5% HNO? - PLI10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/lithium-icp-standard-1000-ppm-li-in-3-hno-pli1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_5670968f-83f7-49e7-8f3e-0a248f568f5e.png?v=1737682323</image:loc>
      <image:title>Lithium ICP Standard, 1000 ppm Li in 3% HNO? - PLI1KN-100</image:title>
      <image:caption>Lithium ICP Standard, 1000 ppm Li in 3% HNO? - PLI1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/lithium-icp-standard-1000-ppm-li-in-3-hno-pli1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b88f54b3-5b5c-4761-a63e-e928268a966d.png?v=1737682324</image:loc>
      <image:title>Lithium ICP Standard, 1000 ppm Li in 3% HNO? - PLI1KN-500</image:title>
      <image:caption>Lithium ICP Standard, 1000 ppm Li in 3% HNO? - PLI1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/lutetium-icp-standard-10000-ppm-lu-in-5-hno-plu10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_30e38a17-57f3-439c-8187-850ee98b101e.png?v=1737682325</image:loc>
      <image:title>Lutetium ICP Standard, 10,000 ppm Lu in 5% HNO? - PLU10KN-100</image:title>
      <image:caption>Lutetium ICP Standard, 10,000 ppm Lu in 5% HNO? - PLU10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/lutetium-icp-standard-1000-ppm-lu-in-3-hno-plu1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_dc47bc55-8c65-43fa-870d-7b00cd147f22.png?v=1737682326</image:loc>
      <image:title>Lutetium ICP Standard, 1000 ppm Lu in 3% HNO? - PLU1KN-100</image:title>
      <image:caption>Lutetium ICP Standard, 1000 ppm Lu in 3% HNO? - PLU1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/magnesium-icp-standard-100-ppm-mg-in-dilute-hno-rpmg01kn-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_769fbaff-2d87-4ddf-85df-13beaab85b35.png?v=1737682326</image:loc>
      <image:title>Magnesium ICP Standard, 100 ppm Mg in dilute HNO? - RPMG01KN-100N</image:title>
      <image:caption>Magnesium ICP Standard, 100 ppm Mg in dilute HNO? - RPMG01KN-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/magnesium-icp-standard-10000-ppm-mg-in-5-hcl-pmg10kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1077f514-3dd8-4404-bb2b-35b3fcf9303e.png?v=1737682327</image:loc>
      <image:title>Magnesium ICP Standard, 10,000 ppm Mg in 5% HCl - PMG10KH-500</image:title>
      <image:caption>Magnesium ICP Standard, 10,000 ppm Mg in 5% HCl - PMG10KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/magnesium-icp-standard-10000-ppm-mg-in-5-hno-pmg10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_ad5d33bc-fbcc-492d-8b6d-75f17a4a9496.png?v=1737682328</image:loc>
      <image:title>Magnesium ICP Standard, 10,000 ppm Mg in 5% HNO? - PMG10KN-100</image:title>
      <image:caption>Magnesium ICP Standard, 10,000 ppm Mg in 5% HNO? - PMG10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/magnesium-icp-standard-10000-ppm-mg-in-5-hno-pmg10kn-250</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_8fb9938d-8d19-4547-992d-fd52fb19aec0.png?v=1737682328</image:loc>
      <image:title>Magnesium ICP Standard, 10,000 ppm Mg in 5% HNO? - PMG10KN-250</image:title>
      <image:caption>Magnesium ICP Standard, 10,000 ppm Mg in 5% HNO? - PMG10KN-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/magnesium-icp-standard-10000-ppm-mg-in-5-hno-pmg10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_9e8cc4f4-f26f-4aa9-86d8-46ff32bef7aa.png?v=1737682329</image:loc>
      <image:title>Magnesium ICP Standard, 10,000 ppm Mg in 5% HNO? - PMG10KN-500</image:title>
      <image:caption>Magnesium ICP Standard, 10,000 ppm Mg in 5% HNO? - PMG10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/magnesium-icp-standard-10000-ppm-mg-in-5-hno-pmg10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_e26b9417-473b-4293-b26f-4169e6646030.png?v=1737682330</image:loc>
      <image:title>Magnesium ICP Standard, 10,000 ppm Mg in 5% HNO? - PMG10KN-50</image:title>
      <image:caption>Magnesium ICP Standard, 10,000 ppm Mg in 5% HNO? - PMG10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/magnesium-icp-standard-1000-ppm-mg-in-3-hno-pmg1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b828f78c-7e13-47b4-b77b-4c738c59f780.png?v=1737682331</image:loc>
      <image:title>Magnesium ICP Standard, 1000 ppm Mg in 3% HNO? - PMG1KN-100</image:title>
      <image:caption>Magnesium ICP Standard, 1000 ppm Mg in 3% HNO? - PMG1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/magnesium-icp-standard-1000-ppm-mg-in-3-hno-pmg1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f3f474d2-a918-400d-978b-e8cfa03ba887.png?v=1737682332</image:loc>
      <image:title>Magnesium ICP Standard, 1000 ppm Mg in 3% HNO? - PMG1KN-500</image:title>
      <image:caption>Magnesium ICP Standard, 1000 ppm Mg in 3% HNO? - PMG1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/manganese-icp-standard-10000-ppm-mn-in-5-hno-pmn10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b1c8782a-9e98-40e4-89ba-d1c0723f5347.png?v=1737682333</image:loc>
      <image:title>Manganese ICP Standard, 10,000 ppm Mn in 5% HNO? - PMN10KN-100</image:title>
      <image:caption>Manganese ICP Standard, 10,000 ppm Mn in 5% HNO? - PMN10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/manganese-icp-standard-10000-ppm-mn-in-5-hno-pmn10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_27cc8330-41ba-4eae-a8aa-6cbe3079c555.png?v=1737682333</image:loc>
      <image:title>Manganese ICP Standard, 10,000 ppm Mn in 5% HNO? - PMN10KN-500</image:title>
      <image:caption>Manganese ICP Standard, 10,000 ppm Mn in 5% HNO? - PMN10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/manganese-icp-standard-10000-ppm-mn-in-5-hno-pmn10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_898fed1d-2bd4-4882-9d41-34b667cf46d6.png?v=1737682334</image:loc>
      <image:title>Manganese ICP Standard, 10,000 ppm Mn in 5% HNO? - PMN10KN-50</image:title>
      <image:caption>Manganese ICP Standard, 10,000 ppm Mn in 5% HNO? - PMN10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/manganese-icp-standard-10-ppm-mn-in-3-hno-rpmn10n0-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_03fd6018-9011-4aff-b0da-67266b6023ca.png?v=1737682335</image:loc>
      <image:title>Manganese ICP Standard, 10 ppm Mn in 3% HNO? - RPMN10N0-100N</image:title>
      <image:caption>Manganese ICP Standard, 10 ppm Mn in 3% HNO? - RPMN10N0-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/manganese-icp-standard-10-ppm-mn-in-3-hno-rpmn10n0-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_e5bb8fe4-3466-473e-b9d8-86a9685eca19.png?v=1737682336</image:loc>
      <image:title>Manganese ICP Standard, 10 ppm Mn in 3% HNO? - RPMN10N0-500N</image:title>
      <image:caption>Manganese ICP Standard, 10 ppm Mn in 3% HNO? - RPMN10N0-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/manganese-icp-standard-1000-ppm-mn-in-3-hno-pmn1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_4058171c-0f5b-4eef-a020-f4dbbb0d02ca.png?v=1737682336</image:loc>
      <image:title>Manganese ICP Standard, 1000 ppm Mn in 3% HNO? - PMN1KN-100</image:title>
      <image:caption>Manganese ICP Standard, 1000 ppm Mn in 3% HNO? - PMN1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/manganese-icp-standard-1000-ppm-mn-in-3-hno-pmn1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_9d56f52b-a7a9-4458-8445-e14ab538582d.png?v=1737682337</image:loc>
      <image:title>Manganese ICP Standard, 1000 ppm Mn in 3% HNO? - PMN1KN-500</image:title>
      <image:caption>Manganese ICP Standard, 1000 ppm Mn in 3% HNO? - PMN1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/molybdenum-icp-standard-100-ppm-mo-in-ho-rpmo100w-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_13cf80e9-f91e-4102-90da-d9e2c0fcca7e.png?v=1737682338</image:loc>
      <image:title>Molybdenum ICP Standard, 100 ppm Mo in H?O - RPMO100W-100N</image:title>
      <image:caption>Molybdenum ICP Standard, 100 ppm Mo in H?O - RPMO100W-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/molybdenum-icp-standard-100-ppm-mo-in-ho-rpmo100w-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_cd7f7009-3321-4a1f-acaa-ceeb3e644e36.png?v=1737682339</image:loc>
      <image:title>Molybdenum ICP Standard, 100 ppm Mo in H?O - RPMO100W-500N</image:title>
      <image:caption>Molybdenum ICP Standard, 100 ppm Mo in H?O - RPMO100W-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/molybdenum-icp-standard-10000-ppm-mo-in-5-hnotr-hf-pmo10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_43fa33d3-828c-49f6-9e4e-de3b5587e59e.png?v=1737682339</image:loc>
      <image:title>Molybdenum ICP Standard, 10,000 ppm Mo in 5% HNO?/tr HF - PMO10KN-100</image:title>
      <image:caption>Molybdenum ICP Standard, 10,000 ppm Mo in 5% HNO?/tr HF - PMO10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/molybdenum-icp-standard-10000-ppm-mo-in-5-hnotr-hf-pmo10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_cbec4a51-4f66-4b5e-8c48-adbee8680f96.png?v=1737682340</image:loc>
      <image:title>Molybdenum ICP Standard, 10,000 ppm Mo in 5% HNO?/tr HF - PMO10KN-500</image:title>
      <image:caption>Molybdenum ICP Standard, 10,000 ppm Mo in 5% HNO?/tr HF - PMO10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/molybdenum-icp-standard-10000-ppm-mo-in-2-nhoh-pmo10kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_123b8c8d-f9fb-404e-a61b-15afa718026e.png?v=1737682341</image:loc>
      <image:title>Molybdenum ICP Standard, 10,000 ppm Mo in 2% NH?OH - PMO10KW-100</image:title>
      <image:caption>Molybdenum ICP Standard, 10,000 ppm Mo in 2% NH?OH - PMO10KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/molybdenum-icp-standard-10000-ppm-mo-in-2-nhoh-pmo10kw-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f5e40fa3-d988-467f-b24f-19abe3ed0333.png?v=1737682342</image:loc>
      <image:title>Molybdenum ICP Standard, 10,000 ppm Mo in 2% NH?OH - PMO10KW-500</image:title>
      <image:caption>Molybdenum ICP Standard, 10,000 ppm Mo in 2% NH?OH - PMO10KW-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/molybdenum-icp-standard-10000-ppm-mo-in-2-nhoh-pmo10kw-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_74594350-fed8-4c8f-bb25-8d511ad82add.png?v=1737682342</image:loc>
      <image:title>Molybdenum ICP Standard, 10,000 ppm Mo in 2% NH?OH - PMO10KW-50</image:title>
      <image:caption>Molybdenum ICP Standard, 10,000 ppm Mo in 2% NH?OH - PMO10KW-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/molybdenum-icp-standard-1000-ppm-mo-in-3-hnotr-hf-pmo1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f43f8a80-7a21-4944-a5e4-d2c30b1e8157.png?v=1737682343</image:loc>
      <image:title>Molybdenum ICP Standard, 1000 ppm Mo in 3% HNO?/tr HF - PMO1KN-100</image:title>
      <image:caption>Molybdenum ICP Standard, 1000 ppm Mo in 3% HNO?/tr HF - PMO1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/molybdenum-icp-standard-1000-ppm-mo-in-3-hnotr-hf-pmo1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f73ec276-3f66-441d-8390-cfccfa77da9e.png?v=1737682344</image:loc>
      <image:title>Molybdenum ICP Standard, 1000 ppm Mo in 3% HNO?/tr HF - PMO1KN-500</image:title>
      <image:caption>Molybdenum ICP Standard, 1000 ppm Mo in 3% HNO?/tr HF - PMO1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/molybdenum-icp-standard-1000-ppm-mo-in-3-nhoh-pmo1kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a834be6e-1222-4126-92bd-d284af308bfd.png?v=1737682344</image:loc>
      <image:title>Molybdenum ICP Standard, 1000 ppm Mo in 3% NH?OH - PMO1KW-100</image:title>
      <image:caption>Molybdenum ICP Standard, 1000 ppm Mo in 3% NH?OH - PMO1KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/molybdenum-icp-standard-1000-ppm-mo-in-3-nhoh-pmo1kw-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_4b5e3013-3aa7-4c6a-81b3-58654490521f.png?v=1737682345</image:loc>
      <image:title>Molybdenum ICP Standard, 1000 ppm Mo in 3% NH?OH - PMO1KW-500</image:title>
      <image:caption>Molybdenum ICP Standard, 1000 ppm Mo in 3% NH?OH - PMO1KW-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/molybdenum-icp-standard-50-ppm-mo-pmo50n-120</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_6a1887e5-fe58-44cf-9b32-6c1856fadfbf.png?v=1737682346</image:loc>
      <image:title>Molybdenum ICP Standard, 50 ppm Mo - PMO50N-120</image:title>
      <image:caption>Molybdenum ICP Standard, 50 ppm Mo - PMO50N-120</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/multielement-icp-standard-7-elements-1000-ppm-in-5-hno-rpmx013n-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_ab15e25c-5d9d-4d03-a22c-e3239a50f7ea.png?v=1737682347</image:loc>
      <image:title>Multielement ICP Standard, 7 elements @ 1,000 ppm in 5% HNO? - RPMX013N-500N</image:title>
      <image:caption>Multielement ICP Standard, 7 elements @ 1,000 ppm in 5% HNO? - RPMX013N-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/multielement-icp-standard-7-elements-1000-ppm-in-5-hno-rpmx014n-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b74e6323-b400-4753-ac8e-0ceb89e17519.png?v=1737682348</image:loc>
      <image:title>Multielement ICP Standard, 7 elements @ 1,000 ppm in 5% HNO? - RPMX014N-500N</image:title>
      <image:caption>Multielement ICP Standard, 7 elements @ 1,000 ppm in 5% HNO? - RPMX014N-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/multielement-icp-standard-5-elements-1000-ppm-in-5-hno-rpmx016n-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_94845035-6de5-4252-8e7e-8dce9602010b.png?v=1737682348</image:loc>
      <image:title>Multielement ICP Standard, 5 elements @ 1,000 ppm in 5% HNO? - RPMX016N-500N</image:title>
      <image:caption>Multielement ICP Standard, 5 elements @ 1,000 ppm in 5% HNO? - RPMX016N-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/icp-blend-8-elements-1000-ppm-in-5-hno-rpmx017n-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_daa399d0-7599-40cc-ab3b-cf589fa96411.png?v=1737682349</image:loc>
      <image:title>ICP Blend, 8 elements @ 1,000 ppm in 5% HNO? - RPMX017N-500N</image:title>
      <image:caption>ICP Blend, 8 elements @ 1,000 ppm in 5% HNO? - RPMX017N-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/multielement-icp-standard-4000-ppm-cu-500-ppm-v-100-ppm-fe-in-5-hno-rpmx0291-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_94f3afd8-ea9f-4a9f-96b0-19d977dd689e.png?v=1737682350</image:loc>
      <image:title>Multielement ICP Standard, 4000 ppm Cu / 500 ppm V / 100 ppm Fe in 5% HNO? - RPMX0291-500N</image:title>
      <image:caption>Multielement ICP Standard, 4000 ppm Cu / 500 ppm V / 100 ppm Fe in 5% HNO? - RPMX0291-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/icp-blend-8-elements-in-5-hno3-rpmx0300-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_2ecbd6f7-d511-4a4f-a372-da9745766451.png?v=1737682351</image:loc>
      <image:title>ICP blend, 8 Elements in 5% HNO3 - RPMX0300-100N</image:title>
      <image:caption>ICP blend, 8 Elements in 5% HNO3 - RPMX0300-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-10-ppm-al-sb-as-ba-be-b-bi-cd-ca-cr-co-cu-fe-pb-li-mg-mn-mo-rpmx035n-100b</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d4150b4b-a336-4c4c-92c2-33bbe8ac340b.png?v=1737682351</image:loc>
      <image:title>Mixed ICP Standard, 10 ppm: Al, Sb, As, Ba, Be, B, Bi, Cd, Ca, Cr, Co, Cu, Fe, Pb, Li,  Mg, Mn, Mo,  - RPMX035N-100B</image:title>
      <image:caption>Mixed ICP Standard, 10 ppm: Al, Sb, As, Ba, Be, B, Bi, Cd, Ca, Cr, Co, Cu, Fe, Pb, Li,  Mg, Mn, Mo,  - RPMX035N-100B</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-10-ppm-ce-dy-er-eu-gd-ho-la-lu-nd-pr-sc-sm-tb-th-tm-u-yb-y-in-rpmx036n-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_c6aeec9e-0164-48d7-ae39-854239c7c673.png?v=1737682352</image:loc>
      <image:title>Mixed ICP Standard, 10 ppm: Ce, Dy, Er, Eu, Gd, Ho, La, Lu, Nd, Pr, Sc, Sm, Tb, Th, Tm, U, Yb, Y in  - RPMX036N-100N</image:title>
      <image:caption>Mixed ICP Standard, 10 ppm: Ce, Dy, Er, Eu, Gd, Ho, La, Lu, Nd, Pr, Sc, Sm, Tb, Th, Tm, U, Yb, Y in  - RPMX036N-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-10-ppm-ge-hf-nb-p-re-ta-sn-w-zr-in-5-hno3-tr-hf-rpmx037n-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_2c7d5dc0-517a-4c1b-838d-c969b13c75d6.png?v=1737682353</image:loc>
      <image:title>Mixed ICP Standard, 10 ppm: Ge, Hf, Nb, P, Re, Ta, Sn, W, Zr in 5% HNO3 / tr HF - RPMX037N-100N</image:title>
      <image:caption>Mixed ICP Standard, 10 ppm: Ge, Hf, Nb, P, Re, Ta, Sn, W, Zr in 5% HNO3 / tr HF - RPMX037N-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-10-ppm-au-pd-pt-rh-ru-te-in-15-hcl-rpmx038n-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_98f863fe-3eaa-4659-ac57-19cd97d78a1f.png?v=1737682354</image:loc>
      <image:title>Mixed ICP Standard, 10 ppm: Au, Pd, Pt, Rh, Ru, Te, in 15% HCl - RPMX038N-100N</image:title>
      <image:caption>Mixed ICP Standard, 10 ppm: Au, Pd, Pt, Rh, Ru, Te, in 15% HCl - RPMX038N-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-10-ppm-ga-in-rb-in-5-hno3-rpmx039n-100b</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_6d40e1e7-09a7-497d-9364-0d96d8f7c038.png?v=1737682354</image:loc>
      <image:title>Mixed ICP Standard, 10 ppm: Ga, In, Rb in 5% HNO3 - RPMX039N-100B</image:title>
      <image:caption>Mixed ICP Standard, 10 ppm: Ga, In, Rb in 5% HNO3 - RPMX039N-100B</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-anion-standard-10-ppm-br-cl-rpmx040n-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_895c4a77-df89-4bbd-a297-1f2fb52ae8dc.png?v=1737682355</image:loc>
      <image:title>Mixed Anion Standard, 10 ppm: Br, Cl - RPMX040N-100N</image:title>
      <image:caption>Mixed Anion Standard, 10 ppm: Br, Cl - RPMX040N-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-anion-standard-rpmx0510-100a</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_6fb766b0-88ed-471c-b486-1842b6ea94b2.png?v=1737682356</image:loc>
      <image:title>Mixed Anion Standard - RPMX0510-100A</image:title>
      <image:caption>Mixed Anion Standard - RPMX0510-100A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/icp-blend-12-elements-100-ppm-in-5-hno-rpmx053n-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_59415f1c-34d2-4c05-8f9d-54667a862d50.png?v=1737682357</image:loc>
      <image:title>ICP Blend, 12 Elements @ 100 ppm in 5% HNO? - RPMX053N-500N</image:title>
      <image:caption>ICP Blend, 12 Elements @ 100 ppm in 5% HNO? - RPMX053N-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-100-ppm-co-cu-fe-mg-mn-zn-rpmx054n-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1e9157d8-8966-4438-8e27-c4b182e576ed.png?v=1737682358</image:loc>
      <image:title>Mixed ICP Standard: 100 ppm Co, Cu, Fe, Mg, Mn, Zn - RPMX054N-500N</image:title>
      <image:caption>Mixed ICP Standard: 100 ppm Co, Cu, Fe, Mg, Mn, Zn - RPMX054N-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-100-ppm-p-k-in-6-hcl-rpmx055h-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a9895d49-fc21-4e36-b3b7-72a904d4039e.png?v=1737682358</image:loc>
      <image:title>Mixed ICP Standard: 100 ppm P, K in 6% HCl - RPMX055H-500N</image:title>
      <image:caption>Mixed ICP Standard: 100 ppm P, K in 6% HCl - RPMX055H-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-100-ppm-na-96-ppm-so-50-ppm-ca-5-ppm-mg-1-ppm-u-1-ppm-v-in-5-hno-rpmx079n-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_06fb6afd-5876-4306-b339-e913512c9429.png?v=1737682359</image:loc>
      <image:title>Mixed ICP Standard 100 ppm Na, 96 ppm SO?, 50 ppm Ca, 5 ppm Mg, 1 ppm U, 1 ppm V in 5% HNO? - RPMX079N-500N</image:title>
      <image:caption>Mixed ICP Standard 100 ppm Na, 96 ppm SO?, 50 ppm Ca, 5 ppm Mg, 1 ppm U, 1 ppm V in 5% HNO? - RPMX079N-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-500-ppm-na-480-ppm-so-250-ppm-ca-25-ppm-mg-150-ppm-u-10-ppm-v-in-5-hno-rpmx080n-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b11f8b97-a9e5-41ce-a0e5-39fd598b69cd.png?v=1737682360</image:loc>
      <image:title>Mixed ICP Standard 500 ppm Na, 480 ppm SO?, 250 ppm Ca, 25 ppm Mg, 150 ppm U, 10 ppm V in 5% HNO? - RPMX080N-500N</image:title>
      <image:caption>Mixed ICP Standard 500 ppm Na, 480 ppm SO?, 250 ppm Ca, 25 ppm Mg, 150 ppm U, 10 ppm V in 5% HNO? - RPMX080N-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-1000-ppm-na-960-ppm-so-500-ppm-ca-50-ppm-mg-300-ppm-u-20-ppm-v-in-5-hno-rpmx081n-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d06b93a2-b207-40a4-8914-e2620e8a8f05.png?v=1737682361</image:loc>
      <image:title>Mixed ICP Standard 1000 ppm Na, 960 ppm SO?, 500 ppm Ca, 50 ppm Mg, 300 ppm U, 20 ppm V in 5% HNO? - RPMX081N-500N</image:title>
      <image:caption>Mixed ICP Standard 1000 ppm Na, 960 ppm SO?, 500 ppm Ca, 50 ppm Mg, 300 ppm U, 20 ppm V in 5% HNO? - RPMX081N-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/p7-library-fit-solution-100-ppm-al-sbas-pb-p-s-tl-10-ppm-cd-fe-mn-zn-in-5-hno-rpmx092n-1n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_2db365f1-3fdc-40e0-9901-35520f9ac284.png?v=1737682361</image:loc>
      <image:title>P7 Library Fit Solution 100 ppm Al, Sb,As, Pb, P, S, Tl / 10 ppm Cd, Fe, Mn Zn in 5% HNO? - RPMX092N-1N</image:title>
      <image:caption>P7 Library Fit Solution 100 ppm Al, Sb,As, Pb, P, S, Tl / 10 ppm Cd, Fe, Mn Zn in 5% HNO? - RPMX092N-1N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-100-ppm-k-na-in-3-hno-rpmx095n-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d93392c3-fa57-4487-a0db-8d36d0ed96ac.png?v=1737682362</image:loc>
      <image:title>Mixed ICP Standard 100 ppm K, Na in 3% HNO? - RPMX095N-100N</image:title>
      <image:caption>Mixed ICP Standard 100 ppm K, Na in 3% HNO? - RPMX095N-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-100-ppm-k-na-in-3-hno-rpmx095n-250n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_6c0d9113-7726-4716-8629-b40eaa1c05b6.png?v=1737682363</image:loc>
      <image:title>Mixed ICP Standard 100 ppm K, Na in 3% HNO? - RPMX095N-250N</image:title>
      <image:caption>Mixed ICP Standard 100 ppm K, Na in 3% HNO? - RPMX095N-250N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-100-ppm-y-la-ce-pr-nd-fe-ti-si-in-3-hno-rpmx096n-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_36d64c4e-3572-4086-b4ff-c2b1246a8365.png?v=1737682364</image:loc>
      <image:title>Mixed ICP Standard 100 ppm Y, La, Ce, Pr, Nd, Fe, Ti, Si in 3% HNO? - RPMX096N-500N</image:title>
      <image:caption>Mixed ICP Standard 100 ppm Y, La, Ce, Pr, Nd, Fe, Ti, Si in 3% HNO? - RPMX096N-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-1000-ppm-camg-600-ppm-srk-400-ppm-ba-20-ppm-fesi-4-ppm-mn-2-ppm-zn-1-ppm-pb-rpmx098n-1n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a21f9b8e-d703-4de4-96f6-118dccd0458f.png?v=1737682365</image:loc>
      <image:title>Mixed ICP Standard 1000 ppm Ca,Mg; 600 ppm Sr,K; 400 ppm Ba; 20 ppm Fe,Si; 4 ppm Mn; 2 ppm Zn; 1 ppm Pb - RPMX098N-1N</image:title>
      <image:caption>Mixed ICP Standard 1000 ppm Ca,Mg; 600 ppm Sr,K; 400 ppm Ba; 20 ppm Fe,Si; 4 ppm Mn; 2 ppm Zn; 1 ppm Pb - RPMX098N-1N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-300-ppm-camgbasrk-15-ppm-fesi-3-ppm-mn-075-ppm-znpb-rpmx099n-1n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_10ff3d57-5206-4d20-b37a-44c73ffe31ba.png?v=1737682366</image:loc>
      <image:title>Mixed ICP Standard 300 ppm Ca,Mg,Ba,Sr,K; 15 ppm Fe,Si; 3 ppm Mn; 0.75 ppm Zn,Pb - RPMX099N-1N</image:title>
      <image:caption>Mixed ICP Standard 300 ppm Ca,Mg,Ba,Sr,K; 15 ppm Fe,Si; 3 ppm Mn; 0.75 ppm Zn,Pb - RPMX099N-1N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-50-ppm-al-b-ba-ca-fe-k-li-mg-mn-na-pb-sr-zn-rpmx100n-1n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_43878480-7700-48ec-9dde-4b063fcee9f6.png?v=1737682366</image:loc>
      <image:title>Mixed ICP Standard 50 ppm Al, B, Ba, Ca, Fe, K, Li, Mg, Mn, Na, Pb, Sr, Zn - RPMX100N-1N</image:title>
      <image:caption>Mixed ICP Standard 50 ppm Al, B, Ba, Ca, Fe, K, Li, Mg, Mn, Na, Pb, Sr, Zn - RPMX100N-1N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-100-ppm-agalasbabecacdcocrcufekmgmnmonanipbsbsesnsrtitlvzn-rpmx101n-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d61ee070-4ca2-449e-ad97-3b2bfa986b9c.png?v=1737682367</image:loc>
      <image:title>Mixed ICP Standard 100 ppm Ag,Al,As,Ba,Be,Ca,Cd,Co,Cr,Cu,Fe,K,Mg,Mn,Mo,Na,Ni,Pb,Sb,Se,Sn,Sr,Ti,Tl,V,Zn - RPMX101N-100N</image:title>
      <image:caption>Mixed ICP Standard 100 ppm Ag,Al,As,Ba,Be,Ca,Cd,Co,Cr,Cu,Fe,K,Mg,Mn,Mo,Na,Ni,Pb,Sb,Se,Sn,Sr,Ti,Tl,V,Zn - RPMX101N-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-std-1000-ppm-camg600-ppm-srk400-ppm-ba-50ppm-p20-ppm-fe-4-ppm-mn2-ppm-zn1-rpmx116n-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d02c804b-c6d1-4976-8193-5b2e4f350160.png?v=1737682368</image:loc>
      <image:title>Mixed ICP Std: 1000 ppm Ca/Mg,600 ppm Sr/K,400 ppm Ba, 50ppm P,20 ppm Fe, 4 ppm Mn,2 ppm Zn,1 - RPMX116N-500N</image:title>
      <image:caption>Mixed ICP Std: 1000 ppm Ca/Mg,600 ppm Sr/K,400 ppm Ba, 50ppm P,20 ppm Fe, 4 ppm Mn,2 ppm Zn,1 - RPMX116N-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/1ppm-ascrnicd20ppm-mnpb50ppm-alcu100ppm-fe200ppm-zn300ppm-p-3-hno3-rpmx121n-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_dda8d0ae-9e6e-414e-9506-7f14ca5e1fae.png?v=1737682369</image:loc>
      <image:title>1ppm As,Cr,Ni,Cd/20ppm Mn,Pb/50ppm Al,Cu/100ppm Fe/200ppm Zn/300ppm P /3% HNO3 - RPMX121N-100N</image:title>
      <image:caption>1ppm As,Cr,Ni,Cd/20ppm Mn,Pb/50ppm Al,Cu/100ppm Fe/200ppm Zn/300ppm P /3% HNO3 - RPMX121N-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-25ppm-each-al-cr-cu-fe-ni-w-rpmx122n-1n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_37dcce79-87ad-417b-a608-842f8c4bad79.png?v=1737682369</image:loc>
      <image:title>Mixed ICP Standard 2.5ppm each Al, Cr, Cu, Fe, Ni, W - RPMX122N-1N</image:title>
      <image:caption>Mixed ICP Standard 2.5ppm each Al, Cr, Cu, Fe, Ni, W - RPMX122N-1N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-5ppm-each-al-cr-cu-fe-ni-w-rpmx123n-1n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_c338341f-11a1-4c52-8db1-43299af025a2.png?v=1737682370</image:loc>
      <image:title>Mixed ICP Standard 5ppm each Al, Cr, Cu, Fe, Ni, W - RPMX123N-1N</image:title>
      <image:caption>Mixed ICP Standard 5ppm each Al, Cr, Cu, Fe, Ni, W - RPMX123N-1N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-10ppm-each-al-cr-cu-fe-ni-w-rpmx124n-1n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_4a784c6f-e91c-4f15-b720-11a9a52b5caf.png?v=1737682371</image:loc>
      <image:title>Mixed ICP Standard 10ppm each Al, Cr, Cu, Fe, Ni, W - RPMX124N-1N</image:title>
      <image:caption>Mixed ICP Standard 10ppm each Al, Cr, Cu, Fe, Ni, W - RPMX124N-1N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-50ppm-each-al-cr-cu-fe-ni-w-rpmx125n-1n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_31911d4f-1a70-4e43-95ae-ff58cee049a9.png?v=1737682372</image:loc>
      <image:title>Mixed ICP Standard 50ppm each Al, Cr, Cu, Fe, Ni, W - RPMX125N-1N</image:title>
      <image:caption>Mixed ICP Standard 50ppm each Al, Cr, Cu, Fe, Ni, W - RPMX125N-1N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/icp-blend-in-3-hno3-1000-ppm-ca-k-mg-na-rpmx126n-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_16c8b14b-9e4f-4066-85bb-0ccba4cf64b5.png?v=1737682373</image:loc>
      <image:title>ICP Blend in 3% HNO3 1000 ppm Ca, K, Mg, Na - RPMX126N-500N</image:title>
      <image:caption>ICP Blend in 3% HNO3 1000 ppm Ca, K, Mg, Na - RPMX126N-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/icp-mixed-standard-50ppm-cufemnzn-500ppm-kp-in-5-hno3-rpmx127n-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_ef61745a-f2e0-478d-9f4b-0a3defb830fa.png?v=1737682373</image:loc>
      <image:title>ICP Mixed Standard 50ppm Cu,Fe,Mn,Zn 500ppm K,P in 5% HNO3 - RPMX127N-500N</image:title>
      <image:caption>ICP Mixed Standard 50ppm Cu,Fe,Mn,Zn 500ppm K,P in 5% HNO3 - RPMX127N-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/icp-mixed-standard-50ppm-cacufemnzn-and-500ppm-kp-in-5-hno3-rpmx128n-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_cfa18ba7-5fb4-441e-9c79-63700a9dbd04.png?v=1737682374</image:loc>
      <image:title>ICP Mixed Standard 50ppm Ca,Cu,Fe,Mn,Zn and 500ppm K,P in 5% HNO3 - RPMX128N-500N</image:title>
      <image:caption>ICP Mixed Standard 50ppm Ca,Cu,Fe,Mn,Zn and 500ppm K,P in 5% HNO3 - RPMX128N-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-500-ppm-ca-k-mg-ns-s-si-200-ppm-al-rpmx200n-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_540b42e1-1ea7-4ff3-bcfe-49b77284cb2a.png?v=1737682375</image:loc>
      <image:title>Mixed ICP Standard, 500 ppm Ca, K, Mg, Ns, S, Si; 200 ppm Al - RPMX200N-100N</image:title>
      <image:caption>Mixed ICP Standard, 500 ppm Ca, K, Mg, Ns, S, Si; 200 ppm Al - RPMX200N-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mixed-icp-standard-10-ppm-sb-as-ba-be-tl-b-bi-cd-cr-ti-co-cu-fe-pb-v-li-mn-mo-ni-in-5-hno-rpmx201n-100b</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_37405ec2-ca2f-41ba-a76f-7f1fa3d0bb2c.png?v=1737682376</image:loc>
      <image:title>Mixed ICP Standard, 10 ppm Sb, As, Ba, Be, Tl, B, Bi, Cd, Cr, Ti, Co, Cu, Fe, Pb, V, Li, Mn, Mo, Ni, in 5% HNO? - RPMX201N-100B</image:title>
      <image:caption>Mixed ICP Standard, 10 ppm Sb, As, Ba, Be, Tl, B, Bi, Cd, Cr, Ti, Co, Cu, Fe, Pb, V, Li, Mn, Mo, Ni, in 5% HNO? - RPMX201N-100B</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sodium-icp-standard-100-ppm-na-in-dilute-hno-rpna01kn-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_40270285-aded-41ee-8154-44bde801f3ff.png?v=1737682376</image:loc>
      <image:title>Sodium ICP Standard, 100 ppm Na in dilute HNO? - RPNA01KN-100N</image:title>
      <image:caption>Sodium ICP Standard, 100 ppm Na in dilute HNO? - RPNA01KN-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sodium-icp-standard-10000-ppm-na-in-5-hcl-pna10kh-500</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_edebea1e-a59a-4508-828d-72f6d46bd106.png?v=1737682377</image:loc>
      <image:title>Sodium ICP Standard, 10,000 ppm Na in 5% HCl - PNA10KH-500</image:title>
      <image:caption>Sodium ICP Standard, 10,000 ppm Na in 5% HCl - PNA10KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sodium-icp-standard-10000-ppm-na-in-3-hno-pna10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_270a820e-23dd-4460-89db-ba76af0ec624.png?v=1737682378</image:loc>
      <image:title>Sodium ICP Standard, 10,000 ppm Na in 3% HNO? - PNA10KN-100</image:title>
      <image:caption>Sodium ICP Standard, 10,000 ppm Na in 3% HNO? - PNA10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sodium-icp-standard-10000-ppm-na-in-3-hno-pna10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1f014594-29a4-4d43-8b95-4ada461e54a7.png?v=1737682379</image:loc>
      <image:title>Sodium ICP Standard, 10,000 ppm Na in 3% HNO? - PNA10KN-500</image:title>
      <image:caption>Sodium ICP Standard, 10,000 ppm Na in 3% HNO? - PNA10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sodium-icp-standard-10000-ppm-na-in-3-hno-pna10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_66d6adf5-6cc5-4057-b118-833c171bca25.png?v=1737682380</image:loc>
      <image:title>Sodium ICP Standard, 10,000 ppm Na in 3% HNO? - PNA10KN-50</image:title>
      <image:caption>Sodium ICP Standard, 10,000 ppm Na in 3% HNO? - PNA10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sodium-icp-standard-1000-ppm-na-in-3-hcl-pna1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_091b0ba1-d0a2-46bd-8a13-c79b627d7f53.png?v=1737682381</image:loc>
      <image:title>Sodium ICP Standard, 1000 ppm Na in 3% HCl - PNA1KH-500</image:title>
      <image:caption>Sodium ICP Standard, 1000 ppm Na in 3% HCl - PNA1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sodium-icp-standard-1000-ppm-na-in-3-hno-pna1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a554c662-19a9-450a-a1f6-4d13db7780ba.png?v=1737682381</image:loc>
      <image:title>Sodium ICP Standard, 1000 ppm Na in 3% HNO? - PNA1KN-100</image:title>
      <image:caption>Sodium ICP Standard, 1000 ppm Na in 3% HNO? - PNA1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sodium-icp-standard-1000-ppm-na-in-3-hno-pna1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d902237a-1078-4aa5-ab54-80f328bd6df7.png?v=1737682382</image:loc>
      <image:title>Sodium ICP Standard, 1000 ppm Na in 3% HNO? - PNA1KN-500</image:title>
      <image:caption>Sodium ICP Standard, 1000 ppm Na in 3% HNO? - PNA1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/acid-blank-5-vv-nitric-acid-pnacid5-1l</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f7a342c1-702a-4013-a9a5-92987a5d4ba1.png?v=1737682383</image:loc>
      <image:title>Acid Blank, 5% (v/v) Nitric Acid - PNACID5-1L</image:title>
      <image:caption>Acid Blank, 5% (v/v) Nitric Acid - PNACID5-1L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/acid-blank-5-vv-nitric-acid-pnacid5-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_9cacc5e7-bd37-4a13-9978-f3409ddf46b4.png?v=1737682384</image:loc>
      <image:title>Acid Blank, 5% (v/v) Nitric Acid - PNACID5-500</image:title>
      <image:caption>Acid Blank, 5% (v/v) Nitric Acid - PNACID5-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/niobium-icp-standard-10000-ppm-nb-in-5-hno-pnb10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_0828bfab-6072-4953-b121-7892db65d0fa.png?v=1737682385</image:loc>
      <image:title>Niobium ICP Standard, 10,000 ppm Nb in 5% HNO? - PNB10KN-500</image:title>
      <image:caption>Niobium ICP Standard, 10,000 ppm Nb in 5% HNO? - PNB10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/niobium-icp-standard-10000-ppm-nb-in-hotr-hf-pnb10kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_c435df5d-4c59-418a-ae30-f862f82a3309.png?v=1737682385</image:loc>
      <image:title>Niobium ICP Standard, 10,000 ppm Nb in H?O/tr HF - PNB10KW-100</image:title>
      <image:caption>Niobium ICP Standard, 10,000 ppm Nb in H?O/tr HF - PNB10KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/niobium-icp-standard-1000-ppm-nb-in-3-hno-pnb1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_fb248a1d-bd78-4d9c-89a0-331688058ef8.png?v=1737682386</image:loc>
      <image:title>Niobium ICP Standard, 1000 ppm Nb in 3% HNO? - PNB1KN-500</image:title>
      <image:caption>Niobium ICP Standard, 1000 ppm Nb in 3% HNO? - PNB1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/niobium-icp-standard-1000-ppm-nb-in-hotr-hf-pnb1kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_36ac9dfc-b7e9-461a-8cd2-a3ae4e65161a.png?v=1737682387</image:loc>
      <image:title>Niobium ICP Standard, 1000 ppm Nb in H?O/tr HF - PNB1KW-100</image:title>
      <image:caption>Niobium ICP Standard, 1000 ppm Nb in H?O/tr HF - PNB1KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/neodymium-icp-standard-10000-ppm-nd-in-5-hno-pnd10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_824e0091-b967-4fdb-aa41-ef84e7722ed8.png?v=1737682388</image:loc>
      <image:title>Neodymium ICP Standard, 10,000 ppm Nd in 5% HNO? - PND10KN-100</image:title>
      <image:caption>Neodymium ICP Standard, 10,000 ppm Nd in 5% HNO? - PND10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/neodymium-icp-standard-1000-ppm-nd-in-3-hno-pnd1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_83539e99-d897-4b90-8f8e-448202082227.png?v=1737682389</image:loc>
      <image:title>Neodymium ICP Standard, 1000 ppm Nd in 3% HNO? - PND1KN-100</image:title>
      <image:caption>Neodymium ICP Standard, 1000 ppm Nd in 3% HNO? - PND1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/nickel-icp-standard-100-ppm-ni-in-dilute-hno-rpni01kn-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_cf1d221e-f0b3-4ccf-8016-422ef583ffcc.png?v=1737682390</image:loc>
      <image:title>Nickel ICP Standard, 100 ppm Ni in dilute HNO? - RPNI01KN-100N</image:title>
      <image:caption>Nickel ICP Standard, 100 ppm Ni in dilute HNO? - RPNI01KN-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/nickel-icp-25-ppm-in-hno3-rpni02n0-1n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_88220be9-d323-44ad-aebc-d730c0bc7f2a.png?v=1737682390</image:loc>
      <image:title>Nickel ICP, 2.5 ppm in HNO3 - RPNI02N0-1N</image:title>
      <image:caption>Nickel ICP, 2.5 ppm in HNO3 - RPNI02N0-1N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/nickel-icp-5-ppm-in-hno3-rpni05n0-1n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_c96f433c-3f3e-42e3-a2b5-0ca8a13acd85.png?v=1737682391</image:loc>
      <image:title>Nickel ICP, 5 ppm in HNO3 - RPNI05N0-1N</image:title>
      <image:caption>Nickel ICP, 5 ppm in HNO3 - RPNI05N0-1N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/nickel-icp-standard-10000-ppm-ni-in-5-hno-pni10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_03288ca3-90e2-4d5a-8a50-95745003709c.png?v=1737682392</image:loc>
      <image:title>Nickel ICP Standard, 10,000 ppm Ni in 5% HNO? - PNI10KN-100</image:title>
      <image:caption>Nickel ICP Standard, 10,000 ppm Ni in 5% HNO? - PNI10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/nickel-icp-standard-10000-ppm-ni-in-5-hno-pni10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_67246176-cefe-40a7-a1f9-7b84f22d5850.png?v=1737682393</image:loc>
      <image:title>Nickel ICP Standard, 10,000 ppm Ni in 5% HNO? - PNI10KN-500</image:title>
      <image:caption>Nickel ICP Standard, 10,000 ppm Ni in 5% HNO? - PNI10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/nickel-icp-standard-10000-ppm-ni-in-5-hno-pni10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_ea867225-ee42-4a53-b8a4-f4ea5081a5f0.png?v=1737682394</image:loc>
      <image:title>Nickel ICP Standard, 10,000 ppm Ni in 5% HNO? - PNI10KN-50</image:title>
      <image:caption>Nickel ICP Standard, 10,000 ppm Ni in 5% HNO? - PNI10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/nickel-icp-10-ppm-in-hno3-rpni10n0-1n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_e6e40137-8000-40e8-9ab6-698530c37fef.png?v=1737682395</image:loc>
      <image:title>Nickel ICP, 10 ppm in HNO3 - RPNI10N0-1N</image:title>
      <image:caption>Nickel ICP, 10 ppm in HNO3 - RPNI10N0-1N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/nickel-icp-standard-1000-ppm-ni-in-3-hno-pni1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_7cfe2928-4086-4262-8793-ef8f198463a0.png?v=1737682395</image:loc>
      <image:title>Nickel ICP Standard, 1000 ppm Ni in 3% HNO? - PNI1KN-100</image:title>
      <image:caption>Nickel ICP Standard, 1000 ppm Ni in 3% HNO? - PNI1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/nickel-icp-standard-1000-ppm-ni-in-3-hno-pni1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a5e3d121-6b69-4b9b-97c8-2b1e1af375fc.png?v=1737682396</image:loc>
      <image:title>Nickel ICP Standard, 1000 ppm Ni in 3% HNO? - PNI1KN-500</image:title>
      <image:caption>Nickel ICP Standard, 1000 ppm Ni in 3% HNO? - PNI1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/nickel-icp-25-ppm-in-hno3-rpni25n0-1n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1ba411e0-240e-4ad9-84e2-8f022872aa80.png?v=1737682397</image:loc>
      <image:title>Nickel ICP, 25 ppm in HNO3 - RPNI25N0-1N</image:title>
      <image:caption>Nickel ICP, 25 ppm in HNO3 - RPNI25N0-1N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/nickel-icp-50-ppm-in-hno3-rpni50n0-1n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_4238533e-4eaa-475a-9212-3d49693aca0e.png?v=1737682398</image:loc>
      <image:title>Nickel ICP, 50 ppm in HNO3 - RPNI50N0-1N</image:title>
      <image:caption>Nickel ICP, 50 ppm in HNO3 - RPNI50N0-1N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/osmium-icp-standard-1000-ppm-os-in-20-hcl-pos1kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b75a1faf-34b5-437b-a1ec-70d45b7e515a.png?v=1737682399</image:loc>
      <image:title>Osmium ICP Standard, 1000 ppm Os in 20% HCl - POS1KH-100</image:title>
      <image:caption>Osmium ICP Standard, 1000 ppm Os in 20% HCl - POS1KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/osmium-icp-standard-1000-ppm-os-in-20-hcl-pos1kh-1l</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b0922132-fea4-41af-83d5-d60603b9ca34.png?v=1737682399</image:loc>
      <image:title>Osmium ICP Standard, 1000 ppm Os in 20% HCl - POS1KH-1L</image:title>
      <image:caption>Osmium ICP Standard, 1000 ppm Os in 20% HCl - POS1KH-1L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/osmium-icp-standard-1000-ppm-os-in-20-hcl-pos1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1a6a0be9-628e-4795-91e5-dfc6bda11e65.png?v=1737682400</image:loc>
      <image:title>Osmium ICP Standard, 1000 ppm Os in 20% HCl - POS1KH-500</image:title>
      <image:caption>Osmium ICP Standard, 1000 ppm Os in 20% HCl - POS1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/phosphorus-icp-standard-100-ppm-p-rpp01kw0-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_35d571a7-d30d-4a29-bed3-22b29011447d.png?v=1737682407</image:loc>
      <image:title>Phosphorus ICP Standard, 100 ppm P - RPP01KW0-100N</image:title>
      <image:caption>Phosphorus ICP Standard, 100 ppm P - RPP01KW0-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/phosphorus-icp-standard-10000-ppm-p-in-ho-pp10kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_c2770203-656f-4382-8e28-8383fc68d2ad.png?v=1737682408</image:loc>
      <image:title>Phosphorus ICP Standard, 10,000 ppm P in H?O - PP10KW-100</image:title>
      <image:caption>Phosphorus ICP Standard, 10,000 ppm P in H?O - PP10KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/phosphorus-icp-standard-10000-ppm-p-in-ho-pp10kw-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a385cbfe-4285-4b2a-bf1b-42d84a599ba9.png?v=1737682409</image:loc>
      <image:title>Phosphorus ICP Standard, 10,000 ppm P in H?O - PP10KW-500</image:title>
      <image:caption>Phosphorus ICP Standard, 10,000 ppm P in H?O - PP10KW-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/phosphorus-icp-standard-10000-ppm-p-in-ho-pp10kw-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_e6a9bc8f-bdfd-4837-831b-ef9f2704adfd.png?v=1737682410</image:loc>
      <image:title>Phosphorus ICP Standard, 10,000 ppm P in H?O - PP10KW-50</image:title>
      <image:caption>Phosphorus ICP Standard, 10,000 ppm P in H?O - PP10KW-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/phosphorus-icp-standard-1000-ppm-p-in-3-hno-pp1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_ec7369ae-a24f-4195-b39c-1a533da72323.png?v=1737682411</image:loc>
      <image:title>Phosphorus ICP Standard, 1000 ppm P in 3% HNO? - PP1KN-100</image:title>
      <image:caption>Phosphorus ICP Standard, 1000 ppm P in 3% HNO? - PP1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/phosphorus-icp-standard-1000-ppm-p-in-ho-pp1kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_189cad3c-c1d3-4af6-a990-7fa67ff61e62.png?v=1737682411</image:loc>
      <image:title>Phosphorus ICP Standard, 1000 ppm P in H?O - PP1KW-100</image:title>
      <image:caption>Phosphorus ICP Standard, 1000 ppm P in H?O - PP1KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/phosphorus-icp-standard-1000-ppm-p-in-ho-pp1kw-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_41041929-6714-472c-a6a8-b4cdd8ba10f9.png?v=1737682412</image:loc>
      <image:title>Phosphorus ICP Standard, 1000 ppm P in H?O - PP1KW-500</image:title>
      <image:caption>Phosphorus ICP Standard, 1000 ppm P in H?O - PP1KW-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/lead-icp-standard-10000-ppm-pb-in-5-hno-ppb10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_bf4b9549-def8-41e0-9e8e-6ae6e050a480.png?v=1737682413</image:loc>
      <image:title>Lead ICP Standard, 10,000 ppm Pb in 5% HNO? - PPB10KN-100</image:title>
      <image:caption>Lead ICP Standard, 10,000 ppm Pb in 5% HNO? - PPB10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/lead-icp-standard-10000-ppm-pb-in-5-hno-ppb10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_8e734692-1194-487c-bbe7-f50274481370.png?v=1737682414</image:loc>
      <image:title>Lead ICP Standard, 10,000 ppm Pb in 5% HNO? - PPB10KN-500</image:title>
      <image:caption>Lead ICP Standard, 10,000 ppm Pb in 5% HNO? - PPB10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/lead-icp-standard-10000-ppm-pb-in-5-hno-ppb10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_afbad995-57a1-4ea4-8841-f0d4b5de0ce1.png?v=1737682414</image:loc>
      <image:title>Lead ICP Standard, 10,000 ppm Pb in 5% HNO? - PPB10KN-50</image:title>
      <image:caption>Lead ICP Standard, 10,000 ppm Pb in 5% HNO? - PPB10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/lead-icp-standard-1000-ppm-pb-in-3-hno-ppb1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_84254f28-8236-4bb9-8961-4e1bea9f3671.png?v=1737682415</image:loc>
      <image:title>Lead ICP Standard, 1000 ppm Pb in 3% HNO? - PPB1KN-100</image:title>
      <image:caption>Lead ICP Standard, 1000 ppm Pb in 3% HNO? - PPB1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/lead-icp-standard-1000-ppm-pb-in-3-hno-ppb1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_477b5400-9f0e-4b15-a8d3-d42e9f5342c5.png?v=1737682416</image:loc>
      <image:title>Lead ICP Standard, 1000 ppm Pb in 3% HNO? - PPB1KN-500</image:title>
      <image:caption>Lead ICP Standard, 1000 ppm Pb in 3% HNO? - PPB1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/palladium-icp-standard-10000-ppm-pd-in-10-hcl-ppd10kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_af868f3d-8caf-424c-b474-6caa78671a84.png?v=1737682417</image:loc>
      <image:title>Palladium ICP Standard, 10,000 ppm Pd in 10% HCl - PPD10KH-100</image:title>
      <image:caption>Palladium ICP Standard, 10,000 ppm Pd in 10% HCl - PPD10KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/palladium-icp-standard-10000-ppm-pd-in-10-hcl-ppd10kh-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_79fcd1e1-c5e5-4148-920f-5a4125c46365.png?v=1737682417</image:loc>
      <image:title>Palladium ICP Standard, 10,000 ppm Pd in 10% HCl - PPD10KH-50</image:title>
      <image:caption>Palladium ICP Standard, 10,000 ppm Pd in 10% HCl - PPD10KH-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/palladium-icp-standard-1000-ppm-pd-in-3-hcl-ppd1kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f91fa527-1c15-4054-9a99-921b2bcc1bfa.png?v=1737682418</image:loc>
      <image:title>Palladium ICP Standard, 1000 ppm Pd in 3% HCl - PPD1KH-100</image:title>
      <image:caption>Palladium ICP Standard, 1000 ppm Pd in 3% HCl - PPD1KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/palladium-icp-standard-1000-ppm-pd-in-3-hcl-ppd1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a05ac9f1-19b3-408c-963d-7370b69af46f.png?v=1737682419</image:loc>
      <image:title>Palladium ICP Standard, 1000 ppm Pd in 3% HCl - PPD1KH-500</image:title>
      <image:caption>Palladium ICP Standard, 1000 ppm Pd in 3% HCl - PPD1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/praseodymium-icp-standard-10000-ppm-pr-in-5-hno-ppr10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_bdbdab06-445b-4c92-9328-1a01d958c1ac.png?v=1737682420</image:loc>
      <image:title>Praseodymium ICP Standard, 10,000 ppm Pr in 5% HNO? - PPR10KN-100</image:title>
      <image:caption>Praseodymium ICP Standard, 10,000 ppm Pr in 5% HNO? - PPR10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/praseodymium-icp-standard-1000-ppm-pr-in-3-hno-ppr1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f511329a-c7ff-43cf-adc8-efd139178aa4.png?v=1737682421</image:loc>
      <image:title>Praseodymium ICP Standard, 1000 ppm Pr in 3% HNO? - PPR1KN-100</image:title>
      <image:caption>Praseodymium ICP Standard, 1000 ppm Pr in 3% HNO? - PPR1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/platinum-icp-standard-10000-ppm-pt-in-20-hcl-ppt10kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_3289de57-ac38-4ba9-a745-8f6a0474e005.png?v=1737682421</image:loc>
      <image:title>Platinum ICP Standard, 10,000 ppm Pt in 20% HCl - PPT10KH-100</image:title>
      <image:caption>Platinum ICP Standard, 10,000 ppm Pt in 20% HCl - PPT10KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/platinum-icp-standard-1000-ppm-pt-in-3-hcl-ppt1kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1a138866-e1db-4b9f-9ff6-80c748b38fef.png?v=1737682422</image:loc>
      <image:title>Platinum ICP Standard, 1000 ppm Pt in 3% HCl - PPT1KH-100</image:title>
      <image:caption>Platinum ICP Standard, 1000 ppm Pt in 3% HCl - PPT1KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/platinum-icp-standard-1000-ppm-pt-in-3-hcl-ppt1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_4025335c-50d4-44df-96f8-eb595da33ddb.png?v=1737682423</image:loc>
      <image:title>Platinum ICP Standard, 1000 ppm Pt in 3% HCl - PPT1KH-500</image:title>
      <image:caption>Platinum ICP Standard, 1000 ppm Pt in 3% HCl - PPT1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/rubidium-icp-standard-1000-ppm-rb-in-3-hno-prb1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f6e67482-f024-4787-b891-98376366cc80.png?v=1737682424</image:loc>
      <image:title>Rubidium ICP Standard, 1000 ppm Rb in 3% HNO? - PRB1KN-100</image:title>
      <image:caption>Rubidium ICP Standard, 1000 ppm Rb in 3% HNO? - PRB1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/rhenium-icp-standard-1000-ppm-re-in-ho-pre1kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_64b0e5e0-dbef-401b-9778-eade13794443.png?v=1737682424</image:loc>
      <image:title>Rhenium ICP Standard, 1000 ppm Re in H?O - PRE1KW-100</image:title>
      <image:caption>Rhenium ICP Standard, 1000 ppm Re in H?O - PRE1KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/rhenium-icp-standard-1000-ppm-re-in-ho-pre1kw-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a26b7736-ed3f-40f2-8866-cbee627a407b.png?v=1737682425</image:loc>
      <image:title>Rhenium ICP Standard, 1000 ppm Re in H?O - PRE1KW-500</image:title>
      <image:caption>Rhenium ICP Standard, 1000 ppm Re in H?O - PRE1KW-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/rhodium-icp-standard-10000-ppm-rh-in-20-hcl-prh10kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_903365ec-985f-4d09-9480-74f0ac882bbc.png?v=1737682426</image:loc>
      <image:title>Rhodium ICP Standard, 10,000 ppm Rh in 20% HCl - PRH10KH-100</image:title>
      <image:caption>Rhodium ICP Standard, 10,000 ppm Rh in 20% HCl - PRH10KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/rhodium-icp-standard-1000-ppm-rh-in-3-hcl-prh1kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_260812b9-25df-4cde-bbd1-7ced8b994de7.png?v=1737682427</image:loc>
      <image:title>Rhodium ICP Standard, 1000 ppm Rh in 3% HCl - PRH1KH-100</image:title>
      <image:caption>Rhodium ICP Standard, 1000 ppm Rh in 3% HCl - PRH1KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/rhodium-icp-standard-1000-ppm-rh-in-3-hcl-prh1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_2b498062-89bd-41d5-81d0-ef28133ff20c.png?v=1737682427</image:loc>
      <image:title>Rhodium ICP Standard, 1000 ppm Rh in 3% HCl - PRH1KH-500</image:title>
      <image:caption>Rhodium ICP Standard, 1000 ppm Rh in 3% HCl - PRH1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/primary-metals-standard-for-gfaaicpicp-ms-rprimet-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_6c86b1cf-ec90-4080-9227-ebc74fab5bf0.png?v=1737682428</image:loc>
      <image:title>Primary Metals Standard, for GFAA/ICP/ICP-MS - RPRIMET-100</image:title>
      <image:caption>Primary Metals Standard, for GFAA/ICP/ICP-MS - RPRIMET-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/ruthenium-icp-standard-1000-ppm-ru-in-10-hcl-pru1kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a55118ed-c36b-48ba-ad35-e3dd598ca109.png?v=1737682429</image:loc>
      <image:title>Ruthenium ICP Standard, 1000 ppm Ru in 10% HCl - PRU1KH-100</image:title>
      <image:caption>Ruthenium ICP Standard, 1000 ppm Ru in 10% HCl - PRU1KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/ruthenium-icp-standard-1000-ppm-ru-in-10-hcl-pru1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_02701b30-747a-42fe-bd7c-361b34b10e59.png?v=1737682430</image:loc>
      <image:title>Ruthenium ICP Standard, 1000 ppm Ru in 10% HCl - PRU1KH-500</image:title>
      <image:caption>Ruthenium ICP Standard, 1000 ppm Ru in 10% HCl - PRU1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sulfur-icp-standard-100-ppm-s-in-ho-rps01kw0-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d9cf1447-a338-43d1-b8bb-aaffd14b4edd.png?v=1737682430</image:loc>
      <image:title>Sulfur ICP Standard, 100 ppm S in H?O - RPS01KW0-100N</image:title>
      <image:caption>Sulfur ICP Standard, 100 ppm S in H?O - RPS01KW0-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sulfur-icp-standard-10000-ppm-s-in-ho-ps10kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_8f734615-876c-4462-be9e-6551e7da0bff.png?v=1737682431</image:loc>
      <image:title>Sulfur ICP Standard, 10,000 ppm S in H?O - PS10KW-100</image:title>
      <image:caption>Sulfur ICP Standard, 10,000 ppm S in H?O - PS10KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sulfur-icp-standard-10000-ppm-s-in-ho-ps10kw-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_5d2b9a3c-73a9-4d0b-886b-2116aaad680b.png?v=1737682432</image:loc>
      <image:title>Sulfur ICP Standard, 10,000 ppm S in H?O - PS10KW-500</image:title>
      <image:caption>Sulfur ICP Standard, 10,000 ppm S in H?O - PS10KW-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sulfur-icp-standard-10000-ppm-s-in-ho-ps10kw-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_75270400-6da9-466d-b132-b243557e8831.png?v=1737682433</image:loc>
      <image:title>Sulfur ICP Standard, 10,000 ppm S in H?O - PS10KW-50</image:title>
      <image:caption>Sulfur ICP Standard, 10,000 ppm S in H?O - PS10KW-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sulfur-icp-standard-1000-ppm-s-in-ho-ps1kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_de11a803-08d4-487f-81e2-ab7f79f43db1.png?v=1737682433</image:loc>
      <image:title>Sulfur ICP Standard, 1000 ppm S in H?O - PS1KW-100</image:title>
      <image:caption>Sulfur ICP Standard, 1000 ppm S in H?O - PS1KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sulfur-icp-standard-1000-ppm-s-in-ho-ps1kw-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_61a44612-9803-474f-9042-04f189bdc0c6.png?v=1737682434</image:loc>
      <image:title>Sulfur ICP Standard, 1000 ppm S in H?O - PS1KW-500</image:title>
      <image:caption>Sulfur ICP Standard, 1000 ppm S in H?O - PS1KW-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/antimony-icp-standard-10000-ppm-sb-in-20-hcl-psb10kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_db68b12d-30a9-4b1f-bf36-bf04b31bb813.png?v=1737682435</image:loc>
      <image:title>Antimony ICP Standard, 10,000 ppm Sb in 20% HCl - PSB10KH-500</image:title>
      <image:caption>Antimony ICP Standard, 10,000 ppm Sb in 20% HCl - PSB10KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/antimony-icp-standard-10000-ppm-sb-in-hotartaric-acidtr-hno-psb10kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_7313507c-5a30-4250-8407-9f775cd15f25.png?v=1737682435</image:loc>
      <image:title>Antimony ICP Standard, 10,000 ppm Sb in H?O/Tartaric Acid/tr HNO? - PSB10KW-100</image:title>
      <image:caption>Antimony ICP Standard, 10,000 ppm Sb in H?O/Tartaric Acid/tr HNO? - PSB10KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/antimony-icp-standard-1000-ppm-sb-in-20-hcl-psb1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_4f1b45b1-a8a1-4fd3-9980-cb974ea1c921.png?v=1737682436</image:loc>
      <image:title>Antimony ICP Standard, 1000 ppm Sb in 20% HCl - PSB1KH-500</image:title>
      <image:caption>Antimony ICP Standard, 1000 ppm Sb in 20% HCl - PSB1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/antimony-icp-standard-1000-ppm-sb-in-hotartaric-acidtr-hno-psb1kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_bd6c892c-4055-4119-a642-84e2d3bbda61.png?v=1737682437</image:loc>
      <image:title>Antimony ICP Standard, 1000 ppm Sb in H?O/Tartaric Acid/tr HNO? - PSB1KW-100</image:title>
      <image:caption>Antimony ICP Standard, 1000 ppm Sb in H?O/Tartaric Acid/tr HNO? - PSB1KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/antimony-icp-standard-1000-ppm-sb-in-hotartaric-acidtr-hno-psb1kw-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_055d4896-252e-4c3c-b8d1-af246c405570.png?v=1737682438</image:loc>
      <image:title>Antimony ICP Standard, 1000 ppm Sb in H?O/Tartaric Acid/tr HNO? - PSB1KW-500</image:title>
      <image:caption>Antimony ICP Standard, 1000 ppm Sb in H?O/Tartaric Acid/tr HNO? - PSB1KW-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/scandium-icp-standard-10000-ppm-sc-in-5-hno-psc10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1554474a-0fba-4a91-a3be-a70d29f6627d.png?v=1737682439</image:loc>
      <image:title>Scandium ICP Standard, 10,000 ppm Sc in 5% HNO? - PSC10KN-100</image:title>
      <image:caption>Scandium ICP Standard, 10,000 ppm Sc in 5% HNO? - PSC10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/scandium-icp-standard-1000-ppm-sc-in-3-hno-psc1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_fe02ce95-7017-4781-ab22-9e5b2c9adca1.png?v=1737682439</image:loc>
      <image:title>Scandium ICP Standard, 1000 ppm Sc in 3% HNO? - PSC1KN-100</image:title>
      <image:caption>Scandium ICP Standard, 1000 ppm Sc in 3% HNO? - PSC1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/scandium-icp-standard-1000-ppm-sc-in-3-hno-psc1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_03c2ff1e-d2d0-498c-80c1-b77b531bac33.png?v=1737682440</image:loc>
      <image:title>Scandium ICP Standard, 1000 ppm Sc in 3% HNO? - PSC1KN-500</image:title>
      <image:caption>Scandium ICP Standard, 1000 ppm Sc in 3% HNO? - PSC1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/selenium-icp-standard-10000-ppm-se-in-5-hno-pse10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_581718c4-eca5-447d-a873-7f6db67821c6.png?v=1737682441</image:loc>
      <image:title>Selenium ICP Standard, 10,000 ppm Se in 5% HNO? - PSE10KN-100</image:title>
      <image:caption>Selenium ICP Standard, 10,000 ppm Se in 5% HNO? - PSE10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/selenium-icp-standard-10000-ppm-se-in-5-hno-pse10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_41045083-9401-4f25-8241-57418696e4e5.png?v=1737682442</image:loc>
      <image:title>Selenium ICP Standard, 10,000 ppm Se in 5% HNO? - PSE10KN-500</image:title>
      <image:caption>Selenium ICP Standard, 10,000 ppm Se in 5% HNO? - PSE10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/selenium-icp-standard-10000-ppm-se-in-5-hno-pse10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_0fc2dbec-02e3-4d29-be52-3d12080b9f68.png?v=1737682443</image:loc>
      <image:title>Selenium ICP Standard, 10,000 ppm Se in 5% HNO? - PSE10KN-50</image:title>
      <image:caption>Selenium ICP Standard, 10,000 ppm Se in 5% HNO? - PSE10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/selenium-icp-standard-1000-ppm-se-in-3-hno-pse1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_964fb32e-db3a-485b-a6fd-9ce0df095ae0.png?v=1737682443</image:loc>
      <image:title>Selenium ICP Standard, 1000 ppm Se in 3% HNO? - PSE1KN-100</image:title>
      <image:caption>Selenium ICP Standard, 1000 ppm Se in 3% HNO? - PSE1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/selenium-icp-standard-1000-ppm-se-in-3-hno-pse1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b5c830e7-cd30-4f13-9ee7-94bd0f24cf39.png?v=1737682444</image:loc>
      <image:title>Selenium ICP Standard, 1000 ppm Se in 3% HNO? - PSE1KN-500</image:title>
      <image:caption>Selenium ICP Standard, 1000 ppm Se in 3% HNO? - PSE1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/silicon-icp-standard-10000-ppm-si-in-5-hno-psi10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_51f0a3b6-e327-4e24-8973-34968828d372.png?v=1737682445</image:loc>
      <image:title>Silicon ICP Standard, 10,000 ppm Si in 5% HNO? - PSI10KN-100</image:title>
      <image:caption>Silicon ICP Standard, 10,000 ppm Si in 5% HNO? - PSI10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/silicon-icp-standard-10000-ppm-si-in-5-hno-psi10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_51e3fd01-6d65-40ff-bb93-5263ed6d8f12.png?v=1737682446</image:loc>
      <image:title>Silicon ICP Standard, 10,000 ppm Si in 5% HNO? - PSI10KN-500</image:title>
      <image:caption>Silicon ICP Standard, 10,000 ppm Si in 5% HNO? - PSI10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/silicon-icp-standard-10000-ppm-si-in-hotr-hf-psi10kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b310fa06-6db9-4539-8524-6066a1789f70.png?v=1737682447</image:loc>
      <image:title>Silicon ICP Standard, 10,000 ppm Si in H?O/tr HF - PSI10KW-100</image:title>
      <image:caption>Silicon ICP Standard, 10,000 ppm Si in H?O/tr HF - PSI10KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/silicon-icp-standard-10000-ppm-si-in-hotr-hf-psi10kw-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_59096cdf-6f1b-4eaa-8073-fe50d010f89f.png?v=1737682448</image:loc>
      <image:title>Silicon ICP Standard, 10,000 ppm Si in H?O/tr HF - PSI10KW-500</image:title>
      <image:caption>Silicon ICP Standard, 10,000 ppm Si in H?O/tr HF - PSI10KW-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/silicon-icp-standard-10000-ppm-si-in-hotr-hf-psi10kw-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_97ed36dc-b28b-420a-aff6-f438437b9f9d.png?v=1737682448</image:loc>
      <image:title>Silicon ICP Standard, 10,000 ppm Si in H?O/tr HF - PSI10KW-50</image:title>
      <image:caption>Silicon ICP Standard, 10,000 ppm Si in H?O/tr HF - PSI10KW-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/silicon-icp-standard-1000-ppm-si-in-3-hno-psi1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_45cc5f4a-f7b7-4de7-bb81-78f41ad9db27.png?v=1737682449</image:loc>
      <image:title>Silicon ICP Standard, 1000 ppm Si in 3% HNO? - PSI1KN-100</image:title>
      <image:caption>Silicon ICP Standard, 1000 ppm Si in 3% HNO? - PSI1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/silicon-icp-standard-1000-ppm-si-in-3-hno-psi1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_54b5a72f-a162-4471-93e0-b982b999728d.png?v=1737682450</image:loc>
      <image:title>Silicon ICP Standard, 1000 ppm Si in 3% HNO? - PSI1KN-500</image:title>
      <image:caption>Silicon ICP Standard, 1000 ppm Si in 3% HNO? - PSI1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/silicon-icp-standard-1000-ppm-si-in-hotr-hf-psi1kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a295f3a6-b2ca-43a5-824c-2311cd191bda.png?v=1737682451</image:loc>
      <image:title>Silicon ICP Standard, 1000 ppm Si in H?O/tr HF - PSI1KW-100</image:title>
      <image:caption>Silicon ICP Standard, 1000 ppm Si in H?O/tr HF - PSI1KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/silicon-icp-standard-1000-ppm-si-in-hotr-hf-psi1kw-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_9e1703d1-e8b8-4f54-b5d3-0d360ecfdf59.png?v=1737682451</image:loc>
      <image:title>Silicon ICP Standard, 1000 ppm Si in H?O/tr HF - PSI1KW-500</image:title>
      <image:caption>Silicon ICP Standard, 1000 ppm Si in H?O/tr HF - PSI1KW-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/samarium-icp-standard-1000-ppm-sm-in-3-hno-psm1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_c99924f3-fc09-4fe3-8613-63491bc2c095.png?v=1737682452</image:loc>
      <image:title>Samarium ICP Standard, 1000 ppm Sm in 3% HNO? - PSM1KN-100</image:title>
      <image:caption>Samarium ICP Standard, 1000 ppm Sm in 3% HNO? - PSM1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tin-icp-standard-10000-ppm-sn-in-20-hcl-psn10kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_76332553-77d4-4a37-92d3-8202a23bbf56.png?v=1737682453</image:loc>
      <image:title>Tin ICP Standard, 10,000 ppm Sn in 20% HCl - PSN10KH-100</image:title>
      <image:caption>Tin ICP Standard, 10,000 ppm Sn in 20% HCl - PSN10KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tin-icp-standard-10000-ppm-sn-in-20-hcl-psn10kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_8d72c281-26ed-462c-9d5f-1e17408283ce.png?v=1737682454</image:loc>
      <image:title>Tin ICP Standard, 10,000 ppm Sn in 20% HCl - PSN10KH-500</image:title>
      <image:caption>Tin ICP Standard, 10,000 ppm Sn in 20% HCl - PSN10KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tin-icp-standard-10000-ppm-sn-in-5-hno-psn10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_682733bf-09a6-4375-85f0-dedab47d4cac.png?v=1737682455</image:loc>
      <image:title>Tin ICP Standard, 10,000 ppm Sn in 5% HNO? - PSN10KN-100</image:title>
      <image:caption>Tin ICP Standard, 10,000 ppm Sn in 5% HNO? - PSN10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tin-icp-standard-10000-ppm-sn-in-5-hno-psn10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_54987775-76b6-460b-b350-18159ce248eb.png?v=1737682455</image:loc>
      <image:title>Tin ICP Standard, 10,000 ppm Sn in 5% HNO? - PSN10KN-50</image:title>
      <image:caption>Tin ICP Standard, 10,000 ppm Sn in 5% HNO? - PSN10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tin-icp-standard-1000-ppm-sn-in-10-hcl-psn1kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_403176ed-3145-4568-b1d6-2956d833d39a.png?v=1737682456</image:loc>
      <image:title>Tin ICP Standard, 1000 ppm Sn in 10% HCl - PSN1KH-100</image:title>
      <image:caption>Tin ICP Standard, 1000 ppm Sn in 10% HCl - PSN1KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tin-icp-standard-1000-ppm-sn-in-10-hcl-psn1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_05243081-f314-4801-9aa1-2089b2729f49.png?v=1737682457</image:loc>
      <image:title>Tin ICP Standard, 1000 ppm Sn in 10% HCl - PSN1KH-500</image:title>
      <image:caption>Tin ICP Standard, 1000 ppm Sn in 10% HCl - PSN1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tin-icp-standard-1000-ppm-sn-in-3-hno-psn1kn-100</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_2e8f3194-071f-4838-a046-130079f3521e.png?v=1737682458</image:loc>
      <image:title>Tin ICP Standard, 1000 ppm Sn in 3% HNO? - PSN1KN-100</image:title>
      <image:caption>Tin ICP Standard, 1000 ppm Sn in 3% HNO? - PSN1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tin-icp-standard-1000-ppm-sn-in-3-hno-psn1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_e2f20aa1-9489-42a3-be28-15cc79b46e20.png?v=1737682458</image:loc>
      <image:title>Tin ICP Standard, 1000 ppm Sn in 3% HNO? - PSN1KN-500</image:title>
      <image:caption>Tin ICP Standard, 1000 ppm Sn in 3% HNO? - PSN1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/strontium-icp-standard-10000-ppm-sr-in-10-hcl-psr10kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_49233041-4a3b-44cd-ad14-de742d310874.png?v=1737682459</image:loc>
      <image:title>Strontium ICP Standard, 10,000 ppm Sr in 10% HCl - PSR10KH-100</image:title>
      <image:caption>Strontium ICP Standard, 10,000 ppm Sr in 10% HCl - PSR10KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/strontium-icp-standard-10000-ppm-sr-in-5-hno-psr10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f83b0ebf-0c9e-42e8-8ad8-0ebf9303d1d0.png?v=1737682460</image:loc>
      <image:title>Strontium ICP Standard, 10,000 ppm Sr in 5% HNO? - PSR10KN-100</image:title>
      <image:caption>Strontium ICP Standard, 10,000 ppm Sr in 5% HNO? - PSR10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/strontium-icp-standard-10000-ppm-sr-in-5-hno-psr10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_cf3c8071-c302-4848-a42f-cfb619052596.png?v=1737682461</image:loc>
      <image:title>Strontium ICP Standard, 10,000 ppm Sr in 5% HNO? - PSR10KN-500</image:title>
      <image:caption>Strontium ICP Standard, 10,000 ppm Sr in 5% HNO? - PSR10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/strontium-icp-standard-10000-ppm-sr-in-5-hno-psr10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_50637f4c-6562-4486-b50b-b5d55388b4de.png?v=1737682461</image:loc>
      <image:title>Strontium ICP Standard, 10,000 ppm Sr in 5% HNO? - PSR10KN-50</image:title>
      <image:caption>Strontium ICP Standard, 10,000 ppm Sr in 5% HNO? - PSR10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/strontium-icp-standard-1000-ppm-sr-in-3-hcl-psr1kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_5c06b139-555c-4103-b92f-a4c3cc8af71e.png?v=1737682462</image:loc>
      <image:title>Strontium ICP Standard, 1000 ppm Sr in 3% HCl - PSR1KH-100</image:title>
      <image:caption>Strontium ICP Standard, 1000 ppm Sr in 3% HCl - PSR1KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/strontium-icp-standard-1000-ppm-sr-in-3-hno-psr1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_452a5ff3-1291-4f5b-9d31-c2dc62669c21.png?v=1737682463</image:loc>
      <image:title>Strontium ICP Standard, 1000 ppm Sr in 3% HNO? - PSR1KN-100</image:title>
      <image:caption>Strontium ICP Standard, 1000 ppm Sr in 3% HNO? - PSR1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/strontium-icp-standard-1000-ppm-sr-in-3-hno-psr1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_82a87d1a-5782-4dd4-ad2a-f57edc96ebd4.png?v=1737682464</image:loc>
      <image:title>Strontium ICP Standard, 1000 ppm Sr in 3% HNO? - PSR1KN-500</image:title>
      <image:caption>Strontium ICP Standard, 1000 ppm Sr in 3% HNO? - PSR1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tantalum-icp-standard-10000-ppm-ta-in-2-hf-pta10kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_16f2b2ec-e521-454c-ac51-0148f813ca8d.png?v=1737682465</image:loc>
      <image:title>Tantalum ICP Standard, 10,000 ppm Ta in 2% HF - PTA10KW-100</image:title>
      <image:caption>Tantalum ICP Standard, 10,000 ppm Ta in 2% HF - PTA10KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tantalum-icp-standard-10000-ppm-ta-in-2-hf-pta10kw-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_2d800434-5d7c-4666-b19b-00f299f1b8b3.png?v=1737682466</image:loc>
      <image:title>Tantalum ICP Standard, 10,000 ppm Ta in 2% HF - PTA10KW-50</image:title>
      <image:caption>Tantalum ICP Standard, 10,000 ppm Ta in 2% HF - PTA10KW-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tantalum-icp-standard-1000-ppm-ta-in-hotr-hf-pta1kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_c597d9d8-855d-45f1-b695-ce5a9e321806.png?v=1737682466</image:loc>
      <image:title>Tantalum ICP Standard, 1000 ppm Ta in H?O/tr HF - PTA1KW-100</image:title>
      <image:caption>Tantalum ICP Standard, 1000 ppm Ta in H?O/tr HF - PTA1KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/terbium-icp-standard-1000-ppm-tb-in-3-hno-ptb1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_124dbaca-d8ac-4042-8f13-bf1fe7f81566.png?v=1737682467</image:loc>
      <image:title>Terbium ICP Standard, 1000 ppm Tb in 3% HNO? - PTB1KN-100</image:title>
      <image:caption>Terbium ICP Standard, 1000 ppm Tb in 3% HNO? - PTB1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tellurium-icp-standard-10000-ppm-te-in-25-hcl-pte10kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_971becc8-ba0f-4506-ab83-c29550669e86.png?v=1737682468</image:loc>
      <image:title>Tellurium ICP Standard, 10,000 ppm Te in 25% HCl - PTE10KH-100</image:title>
      <image:caption>Tellurium ICP Standard, 10,000 ppm Te in 25% HCl - PTE10KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tellurium-icp-standard-10000-ppm-te-in-10-hno-pte10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_6ad1cb36-32f7-4cf3-b18f-e38df445a003.png?v=1737682469</image:loc>
      <image:title>Tellurium ICP Standard, 10,000 ppm Te in 10% HNO? - PTE10KN-100</image:title>
      <image:caption>Tellurium ICP Standard, 10,000 ppm Te in 10% HNO? - PTE10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tellurium-icp-standard-10000-ppm-te-in-10-hno-pte10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f5111995-be50-419d-a032-d98adc7dddae.png?v=1737682469</image:loc>
      <image:title>Tellurium ICP Standard, 10,000 ppm Te in 10% HNO? - PTE10KN-500</image:title>
      <image:caption>Tellurium ICP Standard, 10,000 ppm Te in 10% HNO? - PTE10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tellurium-icp-standard-1000-ppm-te-in-3-hcl-pte1kh-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_3763b26f-a7fd-474a-b684-d576b176b6a1.png?v=1737682470</image:loc>
      <image:title>Tellurium ICP Standard, 1000 ppm Te in 3% HCl - PTE1KH-100</image:title>
      <image:caption>Tellurium ICP Standard, 1000 ppm Te in 3% HCl - PTE1KH-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tellurium-icp-standard-1000-ppm-te-in-3-hcl-pte1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_efbe7801-da0f-4cfe-9e45-f7abd0c4e4bb.png?v=1737682471</image:loc>
      <image:title>Tellurium ICP Standard, 1000 ppm Te in 3% HCl - PTE1KH-500</image:title>
      <image:caption>Tellurium ICP Standard, 1000 ppm Te in 3% HCl - PTE1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tellurium-icp-standard-1000-ppm-te-in-3-hno-pte1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_45d26d2c-1e8e-46da-9335-e95beffbd017.png?v=1737682472</image:loc>
      <image:title>Tellurium ICP Standard, 1000 ppm Te in 3% HNO? - PTE1KN-100</image:title>
      <image:caption>Tellurium ICP Standard, 1000 ppm Te in 3% HNO? - PTE1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tellurium-icp-standard-1000-ppm-te-in-3-hno-pte1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_c822977e-3748-437a-92b4-67048ba8588b.png?v=1737682473</image:loc>
      <image:title>Tellurium ICP Standard, 1000 ppm Te in 3% HNO? - PTE1KN-500</image:title>
      <image:caption>Tellurium ICP Standard, 1000 ppm Te in 3% HNO? - PTE1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/thorium-icp-standard-1000-ppm-th-in-3-hno-pth1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_4e96c0ab-9c85-4c7d-b753-6404c8a7ed9c.png?v=1737682473</image:loc>
      <image:title>Thorium ICP Standard, 1000 ppm Th in 3% HNO? - PTH1KN-100</image:title>
      <image:caption>Thorium ICP Standard, 1000 ppm Th in 3% HNO? - PTH1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/titanium-icp-standard-10000-ppm-ti-in-30-hcl-pti10kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_d8d435b1-fc3d-4e80-b526-01b28b280a9d.png?v=1737682474</image:loc>
      <image:title>Titanium ICP Standard, 10,000 ppm Ti in 30% HCl - PTI10KH-500</image:title>
      <image:caption>Titanium ICP Standard, 10,000 ppm Ti in 30% HCl - PTI10KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/titanium-icp-standard-10000-ppm-ti-in-hotr-hf-pti10kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_680899e0-08de-4542-bc87-cb2ff442afb2.png?v=1737682475</image:loc>
      <image:title>Titanium ICP Standard, 10,000 ppm Ti in H?O/tr HF - PTI10KW-100</image:title>
      <image:caption>Titanium ICP Standard, 10,000 ppm Ti in H?O/tr HF - PTI10KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/titanium-icp-standard-10000-ppm-ti-in-hotr-hf-pti10kw-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_952e9492-d65f-4b80-8579-026109af6cdf.png?v=1737682476</image:loc>
      <image:title>Titanium ICP Standard, 10,000 ppm Ti in H?O/tr HF - PTI10KW-50</image:title>
      <image:caption>Titanium ICP Standard, 10,000 ppm Ti in H?O/tr HF - PTI10KW-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/titanium-icp-standard-1000-ppm-ti-in-15-hcl-pti1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_70bd5cb2-d061-47a9-a1e2-ce3e8ae79e51.png?v=1737682476</image:loc>
      <image:title>Titanium ICP Standard, 1000 ppm Ti in 15% HCl - PTI1KH-500</image:title>
      <image:caption>Titanium ICP Standard, 1000 ppm Ti in 15% HCl - PTI1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/titanium-icp-standard-1000-ppm-ti-in-hotr-hf-pti1kw-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_6de4807f-d2be-4bf5-95d1-580fd5aab318.png?v=1737682477</image:loc>
      <image:title>Titanium ICP Standard, 1000 ppm Ti in H?O/tr HF - PTI1KW-100</image:title>
      <image:caption>Titanium ICP Standard, 1000 ppm Ti in H?O/tr HF - PTI1KW-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/titanium-icp-standard-1000-ppm-ti-in-hotr-hf-pti1kw-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f50e4ca6-e731-48c5-a5f0-250df73c8d13.png?v=1737682478</image:loc>
      <image:title>Titanium ICP Standard, 1000 ppm Ti in H?O/tr HF - PTI1KW-500</image:title>
      <image:caption>Titanium ICP Standard, 1000 ppm Ti in H?O/tr HF - PTI1KW-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/thallium-icp-standard-10000-ppm-tl-in-5-hno-ptl10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_e1e55b1b-6120-427d-8dc8-ad424cbceb67.png?v=1737682479</image:loc>
      <image:title>Thallium ICP Standard, 10,000 ppm Tl in 5% HNO? - PTL10KN-100</image:title>
      <image:caption>Thallium ICP Standard, 10,000 ppm Tl in 5% HNO? - PTL10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/thallium-icp-standard-10000-ppm-tl-in-5-hno-ptl10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_0ae29a56-dc24-4aef-b145-869d65019ab1.png?v=1737682479</image:loc>
      <image:title>Thallium ICP Standard, 10,000 ppm Tl in 5% HNO? - PTL10KN-500</image:title>
      <image:caption>Thallium ICP Standard, 10,000 ppm Tl in 5% HNO? - PTL10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/thallium-icp-standard-10000-ppm-tl-in-5-hno-ptl10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_8c1c5caf-c9cb-4349-99f0-75838781fb42.png?v=1737682480</image:loc>
      <image:title>Thallium ICP Standard, 10,000 ppm Tl in 5% HNO? - PTL10KN-50</image:title>
      <image:caption>Thallium ICP Standard, 10,000 ppm Tl in 5% HNO? - PTL10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/thallium-icp-standard-1000-ppm-tl-in-3-hno-ptl1kn-100</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_fb08cc6b-b6a3-42ea-958f-02cbdf46bf8d.png?v=1737682481</image:loc>
      <image:title>Thallium ICP Standard, 1000 ppm Tl in 3% HNO? - PTL1KN-100</image:title>
      <image:caption>Thallium ICP Standard, 1000 ppm Tl in 3% HNO? - PTL1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/thallium-icp-standard-1000-ppm-tl-in-3-hno-ptl1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_7c13a5b5-24f7-4894-b5d7-63f819594913.png?v=1737682481</image:loc>
      <image:title>Thallium ICP Standard, 1000 ppm Tl in 3% HNO? - PTL1KN-500</image:title>
      <image:caption>Thallium ICP Standard, 1000 ppm Tl in 3% HNO? - PTL1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/thulium-icp-standard-1000-ppm-tm-in-3-hno-ptm1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_56ae6008-8f24-4ed3-a29c-8110612df469.png?v=1737682482</image:loc>
      <image:title>Thulium ICP Standard, 1000 ppm Tm in 3% HNO? - PTM1KN-100</image:title>
      <image:caption>Thulium ICP Standard, 1000 ppm Tm in 3% HNO? - PTM1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/uranium-icp-standard-1000-ppm-u-in-3-hno-pu1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1ff95c88-abfc-4c45-b3db-dcaa67641864.png?v=1737682483</image:loc>
      <image:title>Uranium ICP Standard, 1000 ppm U in 3% HNO? - PU1KN-100</image:title>
      <image:caption>Uranium ICP Standard, 1000 ppm U in 3% HNO? - PU1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/vanadium-icp-standard-10000-ppm-v-in-10-hcl-pv10kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_b3e5bbf5-9c7f-4269-88e0-22add2a8975b.png?v=1737682484</image:loc>
      <image:title>Vanadium ICP Standard, 10,000 ppm V in 10% HCl - PV10KH-500</image:title>
      <image:caption>Vanadium ICP Standard, 10,000 ppm V in 10% HCl - PV10KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/vanadium-icp-standard-10000-ppm-v-in-5-hno-pv10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_6427722c-f482-4b82-a93e-f9a8fa384b81.png?v=1737682484</image:loc>
      <image:title>Vanadium ICP Standard, 10,000 ppm V in 5% HNO? - PV10KN-100</image:title>
      <image:caption>Vanadium ICP Standard, 10,000 ppm V in 5% HNO? - PV10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/vanadium-icp-standard-10000-ppm-v-in-5-hno-pv10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_920a5180-6903-4657-80a2-374b608141d0.png?v=1737682485</image:loc>
      <image:title>Vanadium ICP Standard, 10,000 ppm V in 5% HNO? - PV10KN-500</image:title>
      <image:caption>Vanadium ICP Standard, 10,000 ppm V in 5% HNO? - PV10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/vanadium-icp-standard-10000-ppm-v-in-5-hno-pv10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1a668b79-8b57-46d2-90b4-7e6c7975348b.png?v=1737682486</image:loc>
      <image:title>Vanadium ICP Standard, 10,000 ppm V in 5% HNO? - PV10KN-50</image:title>
      <image:caption>Vanadium ICP Standard, 10,000 ppm V in 5% HNO? - PV10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/vanadium-icp-standard-1000-ppm-v-in-3-hcl-pv1kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_effdfe24-c04d-4b09-9fcf-92ffa4e29b77.png?v=1737682487</image:loc>
      <image:title>Vanadium ICP Standard, 1000 ppm V in 3% HCl - PV1KH-500</image:title>
      <image:caption>Vanadium ICP Standard, 1000 ppm V in 3% HCl - PV1KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/vanadium-icp-standard-1000-ppm-v-in-3-hno-pv1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_7cae0a72-479d-4c19-af2c-f967320ab323.png?v=1737682487</image:loc>
      <image:title>Vanadium ICP Standard, 1000 ppm V in 3% HNO? - PV1KN-100</image:title>
      <image:caption>Vanadium ICP Standard, 1000 ppm V in 3% HNO? - PV1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/vanadium-icp-standard-1000-ppm-v-in-3-hno-pv1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_22175660-2d31-4eb8-99f4-4fc5eeda66e3.png?v=1737682488</image:loc>
      <image:title>Vanadium ICP Standard, 1000 ppm V in 3% HNO? - PV1KN-500</image:title>
      <image:caption>Vanadium ICP Standard, 1000 ppm V in 3% HNO? - PV1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tungsten-icp-standard-10000-ppm-w-in-5-hno-pw10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_7ee1fc71-4fd3-4f1d-849e-b9e822b55bb5.png?v=1737682489</image:loc>
      <image:title>Tungsten ICP Standard, 10,000 ppm W in 5% HNO? - PW10KN-100</image:title>
      <image:caption>Tungsten ICP Standard, 10,000 ppm W in 5% HNO? - PW10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tungsten-icp-standard-10000-ppm-w-in-5-hno-pw10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_c94052db-d4de-4950-9d1d-e7f0be2c28d0.png?v=1737682490</image:loc>
      <image:title>Tungsten ICP Standard, 10,000 ppm W in 5% HNO? - PW10KN-50</image:title>
      <image:caption>Tungsten ICP Standard, 10,000 ppm W in 5% HNO? - PW10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tungsten-icp-standard-10000-ppm-w-in-hotr-nhoh-pw10kw-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_f5bdfc4c-9b23-4dbd-bb8d-92d2704e7ca1.png?v=1737682491</image:loc>
      <image:title>Tungsten ICP Standard, 10,000 ppm W in H?O/tr NH?OH - PW10KW-500</image:title>
      <image:caption>Tungsten ICP Standard, 10,000 ppm W in H?O/tr NH?OH - PW10KW-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tungsten-icp-standard-1000-ppm-w-in-2-hno1-hf-pw1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_5f614f8c-f8b2-4fdd-aa75-4b7795f0ca08.png?v=1737682495</image:loc>
      <image:title>Tungsten ICP Standard, 1000 ppm W in 2% HNO?/1% HF - PW1KN-100</image:title>
      <image:caption>Tungsten ICP Standard, 1000 ppm W in 2% HNO?/1% HF - PW1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tungsten-icp-standard-1000-ppm-w-in-2-hno1-hf-pw1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_afc7fec8-e7f4-4748-b6f3-9014dfe1716d.png?v=1737682496</image:loc>
      <image:title>Tungsten ICP Standard, 1000 ppm W in 2% HNO?/1% HF - PW1KN-500</image:title>
      <image:caption>Tungsten ICP Standard, 1000 ppm W in 2% HNO?/1% HF - PW1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/tungsten-icp-standard-1000-ppm-w-in-hotr-nhoh-pw1kw-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1d44f43b-ef7c-48b1-8eb4-0561f56ee69d.png?v=1737682496</image:loc>
      <image:title>Tungsten ICP Standard, 1000 ppm W in H?O/tr NH?OH - PW1KW-500</image:title>
      <image:caption>Tungsten ICP Standard, 1000 ppm W in H?O/tr NH?OH - PW1KW-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/yttrium-icp-standard-10000-ppm-y-in-5-hno-py10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_61696bea-6725-4880-9bd0-a7cd789bb62b.png?v=1737682497</image:loc>
      <image:title>Yttrium ICP Standard, 10,000 ppm Y in 5% HNO? - PY10KN-100</image:title>
      <image:caption>Yttrium ICP Standard, 10,000 ppm Y in 5% HNO? - PY10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/yttrium-icp-standard-10000-ppm-y-in-5-hno-py10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_1808da63-b2c3-48be-bc2a-f7b41b8583bd.png?v=1737682498</image:loc>
      <image:title>Yttrium ICP Standard, 10,000 ppm Y in 5% HNO? - PY10KN-500</image:title>
      <image:caption>Yttrium ICP Standard, 10,000 ppm Y in 5% HNO? - PY10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/yttrium-icp-standard-1000-ppm-y-in-3-hno-py1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_31de2f34-8f3a-4eae-86ca-5e9d15278366.png?v=1737682498</image:loc>
      <image:title>Yttrium ICP Standard, 1000 ppm Y in 3% HNO? - PY1KN-100</image:title>
      <image:caption>Yttrium ICP Standard, 1000 ppm Y in 3% HNO? - PY1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/yttrium-icp-standard-1000-ppm-y-in-3-hno-py1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_5ef8744d-8ee3-4582-9208-8c6a17da78dd.png?v=1737682499</image:loc>
      <image:title>Yttrium ICP Standard, 1000 ppm Y in 3% HNO? - PY1KN-500</image:title>
      <image:caption>Yttrium ICP Standard, 1000 ppm Y in 3% HNO? - PY1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/ytterbium-icp-standard-1000-ppm-yb-in-3-hno-pyb1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_393c0f3a-bbc9-4b47-96c2-d34a79a8b4eb.png?v=1737682500</image:loc>
      <image:title>Ytterbium ICP Standard, 1000 ppm Yb in 3% HNO? - PYB1KN-100</image:title>
      <image:caption>Ytterbium ICP Standard, 1000 ppm Yb in 3% HNO? - PYB1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/ytterbium-icp-standard-1000-ppm-yb-in-3-hno-pyb1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_e7cb5c5f-d963-439b-b054-d9523edec703.png?v=1737682500</image:loc>
      <image:title>Ytterbium ICP Standard, 1000 ppm Yb in 3% HNO? - PYB1KN-500</image:title>
      <image:caption>Ytterbium ICP Standard, 1000 ppm Yb in 3% HNO? - PYB1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/zinc-icp-standard-10000-ppm-zn-in-5-hno-pzn10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_332fe2ba-4611-4c30-bd9c-467c25945433.png?v=1737682501</image:loc>
      <image:title>Zinc ICP Standard, 10,000 ppm Zn in 5% HNO? - PZN10KN-100</image:title>
      <image:caption>Zinc ICP Standard, 10,000 ppm Zn in 5% HNO? - PZN10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/zinc-icp-standard-10000-ppm-zn-in-5-hno-pzn10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_076917ed-c495-40bf-85f4-3ecfdf7d586a.png?v=1737682502</image:loc>
      <image:title>Zinc ICP Standard, 10,000 ppm Zn in 5% HNO? - PZN10KN-500</image:title>
      <image:caption>Zinc ICP Standard, 10,000 ppm Zn in 5% HNO? - PZN10KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/zinc-icp-standard-10000-ppm-zn-in-5-hno-pzn10kn-50</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a9f16edd-15aa-4b3a-94cc-1f00ceb62677.png?v=1737682503</image:loc>
      <image:title>Zinc ICP Standard, 10,000 ppm Zn in 5% HNO? - PZN10KN-50</image:title>
      <image:caption>Zinc ICP Standard, 10,000 ppm Zn in 5% HNO? - PZN10KN-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/zinc-icp-standard-1000-ppm-zn-in-3-hno-pzn1kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_fdbce7fe-fe98-4d49-afde-a86c27214723.png?v=1737682503</image:loc>
      <image:title>Zinc ICP Standard, 1000 ppm Zn in 3% HNO? - PZN1KN-100</image:title>
      <image:caption>Zinc ICP Standard, 1000 ppm Zn in 3% HNO? - PZN1KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/zinc-icp-standard-1000-ppm-zn-in-3-hno-pzn1kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_7fd4ff9b-9618-46f6-82e9-2fa560b586a9.png?v=1737682504</image:loc>
      <image:title>Zinc ICP Standard, 1000 ppm Zn in 3% HNO? - PZN1KN-500</image:title>
      <image:caption>Zinc ICP Standard, 1000 ppm Zn in 3% HNO? - PZN1KN-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/zirconium-icp-standard-10000-ppm-zr-in-5-hcl-pzr10kh-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_06f6ee23-8b59-48d4-819d-45681244c0de.png?v=1737682505</image:loc>
      <image:title>Zirconium ICP Standard, 10,000 ppm Zr in 5% HCl - PZR10KH-500</image:title>
      <image:caption>Zirconium ICP Standard, 10,000 ppm Zr in 5% HCl - PZR10KH-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/zirconium-icp-standard-10000-ppm-zr-in-5-hno-pzr10kn-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_2bece883-6d87-48b4-aaf4-cc6a2e8738c7.png?v=1737682506</image:loc>
      <image:title>Zirconium ICP Standard, 10,000 ppm Zr in 5% HNO? - PZR10KN-100</image:title>
      <image:caption>Zirconium ICP Standard, 10,000 ppm Zr in 5% HNO? - PZR10KN-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/zirconium-icp-standard-10000-ppm-zr-in-5-hno-pzr10kn-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Zirconium ICP Standard, 10,000 ppm Zr in 5% HNO? - PZR10KN-500</image:title>
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  <url>
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  <url>
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  <url>
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  <url>
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  </url>
  <url>
    <loc>https://labproinc.com/products/dioxane-acs-rsod0100-4c</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Dioxane ACS - RSOD0100-4C</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/b-s-w-solvent-toluene-saturated-with-water-at-75f-sod10-1</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-flammable_4c_04747255-3254-4fdb-aba3-57fe6df09400.png?v=1737682532</image:loc>
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      <image:caption>B S &amp; W Solvent, Toluene Saturated with Water at 75°F - SOD10-1</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/acetic-titration-solvent-sod117-1</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-flammable_4a_b57d33d0-529f-4d70-b520-82c2186e46e4.png?v=1737682533</image:loc>
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      <image:caption>Acetic Titration Solvent - SOD117-1</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/alkaline-titration-solvent-sod118-5</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-flammable_20f_55b07953-d11a-49c9-acbe-e8ca4df36c96.png?v=1737682534</image:loc>
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  <url>
    <loc>https://labproinc.com/products/alkaline-titration-solvent-sod118-1</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Alkaline Titration Solvent - SOD118-1</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/thymolphthalein-indicator-01-wv-in-90-vv-isopropyl-alcohol-sod153-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_2c9b8356-a49f-4384-ae5f-93b868e115bf.png?v=1737682535</image:loc>
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      <image:caption>Thymolphthalein Indicator, 0.1% (w/v) in 90% (v/v) Isopropyl Alcohol - SOD153-100</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/thymolphthalein-indicator-01-wv-in-90-vv-isopropyl-alcohol-sod153-32</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-flammable_1a_46eb3b36-9ace-42f4-8168-a864b7b34bbd.png?v=1737682536</image:loc>
      <image:title>Thymolphthalein Indicator, 0.1% (w/v) in 90% (v/v) Isopropyl Alcohol - SOD153-32</image:title>
      <image:caption>Thymolphthalein Indicator, 0.1% (w/v) in 90% (v/v) Isopropyl Alcohol - SOD153-32</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/lead-acetate-10-wv-with-2-vv-acetic-acid-sod20-32</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-health_1a_f8a54bff-2376-4f90-80e4-ed42997cb01c.png?v=1737682537</image:loc>
      <image:title>Lead Acetate, 10% (w/v), with 2% (v/v) Acetic Acid - SOD20-32</image:title>
      <image:caption>Lead Acetate, 10% (w/v), with 2% (v/v) Acetic Acid - SOD20-32</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/sodium-hydroxide-20-baume-at-60f-sod36-32</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-corrosive_1a_b6f96b54-ea79-415e-84d9-c63cc6f0528e.png?v=1737682537</image:loc>
      <image:title>Sodium Hydroxide, 20° Baumé at 60°F - SOD36-32</image:title>
      <image:caption>Sodium Hydroxide, 20° Baumé at 60°F - SOD36-32</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/methyl-red-indicator-01-wv-alcoholic-solution-sod52-4</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-flammable_120c_a0b2c0bd-7d07-4058-aa06-b36d2d830f0d.png?v=1737682538</image:loc>
      <image:title>Methyl Red Indicator, 0.1% (w/v) Alcoholic Solution - SOD52-4</image:title>
      <image:caption>Methyl Red Indicator, 0.1% (w/v) Alcoholic Solution - SOD52-4</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/ammonium-thiocyanate-05-wv-in-methanol-with-dilute-sulfuric-acid-sod55-1</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-flammable_4a_4e24c014-aae8-4182-aa47-37218529ea0e.png?v=1737682539</image:loc>
      <image:title>Ammonium Thiocyanate, 0.5% (w/v) in Methanol, with dilute Sulfuric Acid - SOD55-1</image:title>
      <image:caption>Ammonium Thiocyanate, 0.5% (w/v) in Methanol, with dilute Sulfuric Acid - SOD55-1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/4-aminophenazone-008-wv-in-borate-buffer-sod58-32</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-general_1a_3d2d773c-8107-4f90-aa44-3673e50e0eb4.png?v=1704978367</image:loc>
      <image:title>4-Aminophenazone, 0.08% (w/v) in Borate Buffer - SOD58-32</image:title>
      <image:caption>4-Aminophenazone, 0.08% (w/v) in Borate Buffer - SOD58-32</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/potassium-periodate-010-wv-in-borate-buffer-sod59-32</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-general_1c_c45e9382-0fef-4862-9206-a73c352da540.png?v=1704978369</image:loc>
      <image:title>Potassium Periodate, 0.10% (w/v) in Borate Buffer - SOD59-32</image:title>
      <image:caption>Potassium Periodate, 0.10% (w/v) in Borate Buffer - SOD59-32</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/silver-nitrate-00100-normal-n100-in-isopropyl-alcohol-sod90-32</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-flammable_1c_94419fb4-9cf1-4ad2-b228-606ec978c4da.png?v=1737682539</image:loc>
      <image:title>Silver Nitrate, 0.0100 Normal (N/100) in Isopropyl Alcohol - SOD90-32</image:title>
      <image:caption>Silver Nitrate, 0.0100 Normal (N/100) in Isopropyl Alcohol - SOD90-32</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/bromophenol-blue-indicator-01-wv-in-isopropyl-alcohol-sod98-16</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-flammable_500a_39275849-1d45-461a-885a-312476083eae.png?v=1737682541</image:loc>
      <image:title>Bromophenol Blue Indicator, 0.1% (w/v) in Isopropyl Alcohol - SOD98-16</image:title>
      <image:caption>Bromophenol Blue Indicator, 0.1% (w/v) in Isopropyl Alcohol - SOD98-16</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/ethanol-grain-derived-190-proof-rsoe0010-55e</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-55e_97389ada-ce17-41c7-aa63-3c1debb4cafa.png?v=1737682542</image:loc>
      <image:title>Ethanol, Grain derived, 190 Proof - RSOE0010-55E</image:title>
      <image:caption>Ethanol, Grain derived, 190 Proof - RSOE0010-55E</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/ethanol-grain-derived-190-proof-rsoe0010-5e4</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_8ad50f59-ce33-4a37-b51a-dcb5a2056e06.png?v=1737682543</image:loc>
      <image:title>Ethanol, Grain derived, 190 Proof - RSOE0010-5E4</image:title>
      <image:caption>Ethanol, Grain derived, 190 Proof - RSOE0010-5E4</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/ethanol-grain-derived-200-proof-rsoe0013-55e</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-55e_37708e1d-322b-444b-a332-f0abedd68ddc.png?v=1737682544</image:loc>
      <image:title>Ethanol, Grain Derived, 200 Proof - RSOE0013-55E</image:title>
      <image:caption>Ethanol, Grain Derived, 200 Proof - RSOE0013-55E</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/ethanol-grain-derived-200-proof-rsoe0013-5e4</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_99d68fc0-07af-45ac-a135-62184a690f3b.png?v=1737682545</image:loc>
      <image:title>Ethanol, Grain Derived, 200 Proof - RSOE0013-5E4</image:title>
      <image:caption>Ethanol, Grain Derived, 200 Proof - RSOE0013-5E4</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/ethylenediamine-70-technical-grade-rsoe0100-1a</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-corrosive_1a_1cf5064c-697e-42d2-8a34-fb15632398d2.png?v=1737682546</image:loc>
      <image:title>Ethylenediamine, 70%, Technical Grade - RSOE0100-1A</image:title>
      <image:caption>Ethylenediamine, 70%, Technical Grade - RSOE0100-1A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/ethyl-acetate-acs-reagent-grade-rsoe0300-4c</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-flammable_4c_119bc9fd-b396-4b74-9b3e-0a4c27a2bb40.png?v=1737682547</image:loc>
      <image:title>Ethyl Acetate, ACS Reagent Grade - RSOE0300-4C</image:title>
      <image:caption>Ethyl Acetate, ACS Reagent Grade - RSOE0300-4C</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/ethyl-acetate-acs-reagent-grade-rsoe0300-500c</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-flammable_500c_9beb2e68-d823-4b60-8576-fcfbb20f3f9d.png?v=1737682548</image:loc>
      <image:title>Ethyl Acetate, ACS Reagent Grade - RSOE0300-500C</image:title>
      <image:caption>Ethyl Acetate, ACS Reagent Grade - RSOE0300-500C</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/formaldehyde-37-acs-reagent-grade-rsof0010-10f</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-flammable_10f_7de508d0-2da6-4457-bd49-8ba126864eb9.png?v=1737682549</image:loc>
      <image:title>Formaldehyde, 37%, ACS Reagent Grade - RSOF0010-10F</image:title>
      <image:caption>Formaldehyde, 37%, ACS Reagent Grade - RSOF0010-10F</image:caption>
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  <url>
    <loc>https://labproinc.com/products/formaldehyde-37-acs-reagent-grade-rsof0010-1a</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Formaldehyde, 37%, ACS Reagent Grade - RSOF0010-1A</image:title>
      <image:caption>Formaldehyde, 37%, ACS Reagent Grade - RSOF0010-1A</image:caption>
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  <url>
    <loc>https://labproinc.com/products/formaldehyde-37-acs-reagent-grade-rsof0010-20f</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Formaldehyde, 37%, ACS Reagent Grade - RSOF0010-20F</image:title>
      <image:caption>Formaldehyde, 37%, ACS Reagent Grade - RSOF0010-20F</image:caption>
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  <url>
    <loc>https://labproinc.com/products/formaldehyde-37-acs-reagent-grade-rsof0010-4a</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-flammable_4a_784037bf-7125-4618-822d-506f58cd22ac.png?v=1737682552</image:loc>
      <image:title>Formaldehyde, 37%, ACS Reagent Grade - RSOF0010-4A</image:title>
      <image:caption>Formaldehyde, 37%, ACS Reagent Grade - RSOF0010-4A</image:caption>
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  <url>
    <loc>https://labproinc.com/products/formaldehyde-37-acs-reagent-grade-rsof0010-500a</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-flammable_500a_c7cd6591-60e9-45af-a672-941aa75b3a38.png?v=1737682553</image:loc>
      <image:title>Formaldehyde, 37%, ACS Reagent Grade - RSOF0010-500A</image:title>
      <image:caption>Formaldehyde, 37%, ACS Reagent Grade - RSOF0010-500A</image:caption>
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  <url>
    <loc>https://labproinc.com/products/glycerin-acs-reagent-grade-rsog0020-1a</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-general_1a_7a8c54c5-e03b-4bab-9aad-2fc57bc42bb5.png?v=1737682554</image:loc>
      <image:title>Glycerin, ACS Reagent Grade - RSOG0020-1A</image:title>
      <image:caption>Glycerin, ACS Reagent Grade - RSOG0020-1A</image:caption>
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  <url>
    <loc>https://labproinc.com/products/glycerin-acs-reagent-grade-rsog0020-20e1</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_ef328743-a3e4-46f8-933e-85e7bb498668.png?v=1737682554</image:loc>
      <image:title>Glycerin, ACS Reagent Grade - RSOG0020-20E1</image:title>
      <image:caption>Glycerin, ACS Reagent Grade - RSOG0020-20E1</image:caption>
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  <url>
    <loc>https://labproinc.com/products/glycerin-acs-reagent-grade-rsog0020-20f</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Glycerin, ACS Reagent Grade - RSOG0020-20F</image:title>
      <image:caption>Glycerin, ACS Reagent Grade - RSOG0020-20F</image:caption>
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  <url>
    <loc>https://labproinc.com/products/glycerin-acs-reagent-grade-rsog0020-4a</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Glycerin, ACS Reagent Grade - RSOG0020-4A</image:title>
      <image:caption>Glycerin, ACS Reagent Grade - RSOG0020-4A</image:caption>
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  <url>
    <loc>https://labproinc.com/products/glycerin-acs-reagent-grade-rsog0020-500a</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
    <loc>https://labproinc.com/products/kerosene-odorless-rsok0100-1c</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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  <url>
    <loc>https://labproinc.com/products/petroleum-ether-acs-reagent-grade-ligroin-rsop0200-4c</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
    <loc>https://labproinc.com/products/toluene-acs-reagent-grade-rsot0200-20e4</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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  <url>
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  <url>
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  <url>
    <loc>https://labproinc.com/products/tri-n-butyl-phosphate-rsot0230-500c</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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  <url>
    <loc>https://labproinc.com/products/triethanolamine-min-99-rsot0270-4b</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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  <url>
    <loc>https://labproinc.com/products/xylenes-technical-grade-rsox0195-4c</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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  <url>
    <loc>https://labproinc.com/products/spiking-solution-for-water-and-soil-clp-rspike1-100</loc>
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    <loc>https://labproinc.com/products/mercury-standard-20-ppm-hg-rtclphg-100</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_d2b10fb9-4062-4d69-978d-a4118063d213.jpg?v=1737683207</image:loc>
      <image:title>VeriSpec Multi-Element Calibration Standard 2A 10 ppm: Ag, Al, As, Ba, Be Ca, Cd, Co, Cr, Cs, Cu, Fe, Ga, Hg, K, Li, Mg, Mn, Na, Ni, Pb, Rb, Se, Sr - RV010654-100N</image:title>
      <image:caption>VeriSpec Multi-Element Calibration Standard 2A 10 ppm: Ag, Al, As, Ba, Be Ca, Cd, Co, Cr, Cs, Cu, Fe, Ga, Hg, K, Li, Mg, Mn, Na, Ni, Pb, Rb, Se, Sr - RV010654-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icv-standard-24-1000-ppm-ca-fe-k-mg-na-100-ppm-ag-al-as-ba-be-cd-co-cr-cu-mn-mo-ni-pb-sb-se-tl-rv010655-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_0cbfce38-2c41-4387-9046-eddeaf16f1aa.jpg?v=1704980983</image:loc>
      <image:title>VeriSpec ICV Standard 24 1000 ppm Ca, Fe, K, Mg, Na; 100 ppm Ag , Al, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Sb, Se, Tl, - RV010655-100N</image:title>
      <image:caption>VeriSpec ICV Standard 24 1000 ppm Ca, Fe, K, Mg, Na; 100 ppm Ag , Al, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Sb, Se, Tl, - RV010655-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icv-standard-26-1000-ppm-ca-fe-k-mg-na-sr-10-ppm-ag-al-as-ba-be-cd-co-cr-cu-mn-mo-ni-pb-sb-se-t-rv010656-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_09634217-1b1a-4bbc-ba39-dcf62b9b3787.jpg?v=1737683208</image:loc>
      <image:title>VeriSpec ICV Standard 26 1000 ppm Ca, Fe, K, Mg, Na, Sr; 10 ppm Ag, Al, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Sb, Se, T - RV010656-100N</image:title>
      <image:caption>VeriSpec ICV Standard 26 1000 ppm Ca, Fe, K, Mg, Na, Sr; 10 ppm Ag, Al, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Sb, Se, T - RV010656-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-solution-a-20000-ppm-cl-ca-3000-ppm-2500-ppm-fe-na-2000-ppm-c-1000-ppm-al-mg-p-k-s-20-ppm-mo-ti-m-rv010657-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_e7595382-8267-45bb-a2e9-99edc86a33ce.jpg?v=1737683209</image:loc>
      <image:title>VeriSpec Interference Check Solution A 20,000 ppm Cl, Ca 3000 ppm; 2500 ppm Fe, Na; 2000 ppm C; 1000 ppm Al, Mg, P, K, S; 20 ppm Mo, Ti  M - RV010657-100N</image:title>
      <image:caption>VeriSpec Interference Check Solution A 20,000 ppm Cl, Ca 3000 ppm; 2500 ppm Fe, Na; 2000 ppm C; 1000 ppm Al, Mg, P, K, S; 20 ppm Mo, Ti  M - RV010657-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-solution-a-20000-ppm-cl-ca-3000-ppm-2500-ppm-fe-na-2000-ppm-c-1000-ppm-al-mg-p-k-s-20-ppm-mo-ti-m-rv010657-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_80385c22-7326-4887-91d1-4089799b4fc6.jpg?v=1704980989</image:loc>
      <image:title>VeriSpec Interference Check Solution A 20,000 ppm Cl, Ca 3000 ppm; 2500 ppm Fe, Na; 2000 ppm C; 1000 ppm Al, Mg, P, K, S; 20 ppm Mo, Ti  M - RV010657-500N</image:title>
      <image:caption>VeriSpec Interference Check Solution A 20,000 ppm Cl, Ca 3000 ppm; 2500 ppm Fe, Na; 2000 ppm C; 1000 ppm Al, Mg, P, K, S; 20 ppm Mo, Ti  M - RV010657-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-solution-b-20-ppm-cr-co-cu-mn-ni-v-10-ppm-as-cd-se-cn-5-ppm-ag-manufactured-and-tested-in-an-iso-17-rv010659-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_fe5245f9-0d4b-4a3e-875b-320706e7a802.jpg?v=1737683210</image:loc>
      <image:title>VeriSpec Interference Check Solution B 20 ppm Cr, Co, Cu, Mn, Ni, V; 10 ppm As, Cd, Se, Cn; 5 ppm Ag  Manufactured and Tested in an ISO 17 - RV010659-100N</image:title>
      <image:caption>VeriSpec Interference Check Solution B 20 ppm Cr, Co, Cu, Mn, Ni, V; 10 ppm As, Cd, Se, Cn; 5 ppm Ag  Manufactured and Tested in an ISO 17 - RV010659-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-ms-internal-standard-8-10-ppm-li-sc-ge-rh-in-tb-lu-bi-manufactured-and-tested-in-an-iso-17025guide-34-facili-rv010660-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_364e1cfc-a46a-4c91-9407-46cdb3ca2c76.jpg?v=1737683210</image:loc>
      <image:title>VeriSpec ICP-MS Internal Standard 8 10 ppm: ?Li, Sc, Ge, Rh, In, Tb, Lu, Bi 34 Facili - RV010660-100N</image:title>
      <image:caption>VeriSpec ICP-MS Internal Standard 8 10 ppm: ?Li, Sc, Ge, Rh, In, Tb, Lu, Bi 34 Facili - RV010660-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-ms-tuning-solution-6-10-ppm-li-mg-y-ce-tl-co-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010661-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_e691803c-a332-448d-b476-3c855c79f42d.jpg?v=1737683211</image:loc>
      <image:title>VeriSpec ICP-MS Tuning Solution 6 10 ppm: Li, Mg, Y, Ce, Tl, Co  - RV010661-100N</image:title>
      <image:caption>VeriSpec ICP-MS Tuning Solution 6 10 ppm: Li, Mg, Y, Ce, Tl, Co  - RV010661-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-ms-tuning-solution-5-10-ppm-li-y-ce-tl-co-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010662-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_cf641c90-11bf-41ed-87ef-38784eb8a18a.jpg?v=1737683212</image:loc>
      <image:title>VeriSpec ICP-MS Tuning Solution 5 10 ppm: Li, Y, Ce, Tl, Co  - RV010662-100N</image:title>
      <image:caption>VeriSpec ICP-MS Tuning Solution 5 10 ppm: Li, Y, Ce, Tl, Co  - RV010662-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-15-50-ppm-k-5-ppm-al-as-ba-cd-co-cr-cu-mn-mo-ni-pb-se-sr-zn-manufactured-and-tested-in-rv010663-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_9dea43b5-a2c2-4072-a80d-ec1f72fdd2e5.jpg?v=1704981005</image:loc>
      <image:title>VeriSpec Multi-Element Standard 15 50 ppm K; 5 ppm Al, As, Ba, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se, Sr, Zn  Manufactured and Tested in - RV010663-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 15 50 ppm K; 5 ppm Al, As, Ba, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se, Sr, Zn  Manufactured and Tested in - RV010663-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-15-50-ppm-k-5-ppm-al-as-ba-cd-co-cr-cu-mn-mo-ni-pb-se-sr-zn-manufactured-and-tested-in-rv010663-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_87c594c9-7165-4817-864d-69583a61f0af.jpg?v=1704981008</image:loc>
      <image:title>VeriSpec Multi-Element Standard 15 50 ppm K; 5 ppm Al, As, Ba, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se, Sr, Zn  Manufactured and Tested in - RV010663-500N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 15 50 ppm K; 5 ppm Al, As, Ba, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se, Sr, Zn  Manufactured and Tested in - RV010663-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-ms-tuning-solution-9-10-ppm-ba-be-ce-co-in-mg-pb-th-tl-manufactured-and-tested-in-an-iso-17025guide-34-facili-rv010665-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_46f05f2a-3e3d-4ffd-96a8-37fd419be7ac.jpg?v=1737683213</image:loc>
      <image:title>VeriSpec ICP-MS Tuning Solution 9 10 ppm: Ba, Be, Ce, Co, In, Mg, Pb, Th, Tl 34 Facili - RV010665-100N</image:title>
      <image:caption>VeriSpec ICP-MS Tuning Solution 9 10 ppm: Ba, Be, Ce, Co, In, Mg, Pb, Th, Tl 34 Facili - RV010665-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-qc-icv-standard-7-5000-ppm-ca-mg-k-na-200-ppm-al-ba-100-ppm-fe-60-ppm-sb-50-ppm-co-v-40-ppm-ni-25-ppm-cu-2-rv010666-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_ed226510-563e-4b3c-9248-f65d00895b35.jpg?v=1704981012</image:loc>
      <image:title>VeriSpec QC ICV Standard 7 5000 ppm Ca, Mg, K, Na; 200 ppm Al, Ba; 100 ppm Fe, 60 ppm Sb; 50 ppm Co, V; 40 ppm Ni, 25 ppm Cu, 2 - RV010666-100N</image:title>
      <image:caption>VeriSpec QC ICV Standard 7 5000 ppm Ca, Mg, K, Na; 200 ppm Al, Ba; 100 ppm Fe, 60 ppm Sb; 50 ppm Co, V; 40 ppm Ni, 25 ppm Cu, 2 - RV010666-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-qc-standard-27-100-ppm-al-sb-as-ba-be-b-cd-ca-cr-co-cu-fe-pb-mg-mn-mo-ni-k-se-si-ag-sr-na-t-rv010667-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_3ddab0b8-a3b0-4267-9928-4bf29f78b2fa.jpg?v=1737683214</image:loc>
      <image:title>VeriSpec QC Standard 27 100 ppm: Al, Sb, As, Ba, Be, B, Cd, Ca, Cr, Co, Cu, Fe, Pb, Mg, Mn, Mo, Ni, K, Se, Si, Ag, Sr, Na, T - RV010667-100N</image:title>
      <image:caption>VeriSpec QC Standard 27 100 ppm: Al, Sb, As, Ba, Be, B, Cd, Ca, Cr, Co, Cu, Fe, Pb, Mg, Mn, Mo, Ni, K, Se, Si, Ag, Sr, Na, T - RV010667-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-analytes-b1-100-ppm-cd-ni-pb-ag-zn-50-ppm-ba-be-co-cr-cu-mn-v-manufactured-and-tested-in-an-iso-1-rv010668-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_130b1234-a894-48af-bf5d-3b29e5ed550b.jpg?v=1704981016</image:loc>
      <image:title>VeriSpec Interference Check, Analytes B1 100 ppm: Cd, Ni, Pb, Ag, Zn; 50 ppm: Ba, Be, Co, Cr, Cu, Mn, V - RV010668-100N</image:title>
      <image:caption>VeriSpec Interference Check, Analytes B1 100 ppm: Cd, Ni, Pb, Ag, Zn; 50 ppm: Ba, Be, Co, Cr, Cu, Mn, V  Manufactured and Tested in an ISO 1 - RV010668-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-4-5000-ppm-al-ca-mg-2000-ppm-fe-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010669-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_c9a1afc2-8e82-4239-b4f7-0be99e7f8b39.jpg?v=1737683214</image:loc>
      <image:title>VeriSpec Multi-Element Standard 4 5000 ppm: Al, Ca, Mg; 2000 ppm Fe  - RV010669-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 4 5000 ppm: Al, Ca, Mg; 2000 ppm Fe  - RV010669-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-calibration-standard-15-500-ppm-k-50-ppm-al-as-ba-cd-co-cr-cu-mn-mo-ni-pb-se-sr-zn-manufactured-and-tested-i-rv010670-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_827c421c-fb88-42f1-9b9c-a2699cea4119.jpg?v=1737683221</image:loc>
      <image:title>VeriSpec ICP Calibration Standard 15 500 ppm K; 50 ppm Al, AS, Ba, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se, Sr, Zn  Manufactured and Tested i - RV010670-100N</image:title>
      <image:caption>VeriSpec ICP Calibration Standard 15 500 ppm K; 50 ppm Al, AS, Ba, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se, Sr, Zn  Manufactured and Tested i - RV010670-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-calibration-standard-15-500-ppm-k-50-ppm-al-as-ba-cd-co-cr-cu-mn-mo-ni-pb-se-sr-zn-manufactured-and-tested-i-rv010670-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_602993ab-39e7-4a64-8849-2d2fbc3bbddb.jpg?v=1704981022</image:loc>
      <image:title>VeriSpec ICP Calibration Standard 15 500 ppm K; 50 ppm Al, AS, Ba, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se, Sr, Zn  Manufactured and Tested i - RV010670-500N</image:title>
      <image:caption>VeriSpec ICP Calibration Standard 15 500 ppm K; 50 ppm Al, AS, Ba, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se, Sr, Zn  Manufactured and Tested i - RV010670-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-calibration-standard-15-5-ppm-al-as-ba-cd-co-cr-cu-mn-mo-ni-pb-se-sr-zn-50-ppm-k-manufactured-and-tested-in-rv010672-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_a8f052d9-f9df-4eb3-b137-a930c27fbba3.jpg?v=1737683222</image:loc>
      <image:title>VeriSpec ICP Calibration Standard 15 5 ppm: Al, As, Ba, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se Sr, Zn; 50 ppm K  Manufactured and Tested in - RV010672-100N</image:title>
      <image:caption>VeriSpec ICP Calibration Standard 15 5 ppm: Al, As, Ba, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se Sr, Zn; 50 ppm K  Manufactured and Tested in - RV010672-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-calibration-standard-15-5-ppm-al-as-ba-cd-co-cr-cu-mn-mo-ni-pb-se-sr-zn-50-ppm-k-manufactured-and-tested-in-rv010672-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_dfad5b8b-e14e-48c0-9e0d-12802122fd17.jpg?v=1737683223</image:loc>
      <image:title>VeriSpec ICP Calibration Standard 15 5 ppm: Al, As, Ba, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se Sr, Zn; 50 ppm K  Manufactured and Tested in - RV010672-500N</image:title>
      <image:caption>VeriSpec ICP Calibration Standard 15 5 ppm: Al, As, Ba, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se Sr, Zn; 50 ppm K  Manufactured and Tested in - RV010672-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-internal-standard-6-100-ppm-bi-in-li-sc-tb-y-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010674-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_51295769-7d1e-4046-9954-aec29e36fa2b.jpg?v=1737683224</image:loc>
      <image:title>VeriSpec ICP Internal Standard 6 100 ppm: Bi, In, ?Li, Sc, Tb, Y  - RV010674-100N</image:title>
      <image:caption>VeriSpec ICP Internal Standard 6 100 ppm: Bi, In, ?Li, Sc, Tb, Y  - RV010674-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-4-100-ppm-mo-sb-sn-ti-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010675-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_4a372685-da37-4b17-b650-1a66cc2f6dfb.jpg?v=1737683224</image:loc>
      <image:title>VeriSpec Multi-Element Standard 4 100 ppm: Mo, Sb, Sn, Ti  - RV010675-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 4 100 ppm: Mo, Sb, Sn, Ti  - RV010675-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-18-100-ppm-ag-al-as-ba-be-cd-co-cr-cu-mn-ni-pb-se-th-tl-u-v-zn-manufactured-and-tes-rv010676-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_5816101d-5cf2-4e1f-b1ee-541885ce1748.jpg?v=1737683225</image:loc>
      <image:title>VeriSpec Multi-Element Standard 18 100 ppm: Ag, Al, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Ni, Pb, Se, Th, Tl, U, V, Zn  Manufactured and Tes - RV010676-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 18 100 ppm: Ag, Al, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Ni, Pb, Se, Th, Tl, U, V, Zn  Manufactured and Tes - RV010676-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-5-500-ppm-ca-fe-k-mg-na-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010677-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_a6662c9f-65fb-4ae9-aa68-62ed2d741f0c.jpg?v=1704981035</image:loc>
      <image:title>VeriSpec Multi-Element Standard 5 500 ppm: Ca, Fe, K, Mg, Na  - RV010677-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 5 500 ppm: Ca, Fe, K, Mg, Na  - RV010677-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-5-500-ppm-ca-fe-k-mg-na-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010677-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_205a52a8-8c29-4830-af5b-80c1cbb4e26d.jpg?v=1704981037</image:loc>
      <image:title>VeriSpec Multi-Element Standard 5 500 ppm: Ca, Fe, K, Mg, Na  - RV010677-500N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 5 500 ppm: Ca, Fe, K, Mg, Na  - RV010677-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-ms-tuning-solution-26-20-ppm-as-be-cd-zn-10-ppm-mg-ni-pb-5-ppm-al-ba-bi-co-cr-cu-in-li-lu-mn-na-sc-rv010679-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_2198d954-a2a1-4728-a026-a3cfc18327bf.jpg?v=1737683226</image:loc>
      <image:title>VeriSpec ICP-MS Tuning Solution 26 20 ppm: As, Be, Cd, Zn; 10 ppm: Mg, Ni, Pb; 5 ppm Al, Ba, Bi, Co, Cr, Cu, In, ?Li, Lu, Mn, Na, Sc - RV010679-100N</image:title>
      <image:caption>VeriSpec ICP-MS Tuning Solution 26 20 ppm: As, Be, Cd, Zn; 10 ppm: Mg, Ni, Pb; 5 ppm Al, Ba, Bi, Co, Cr, Cu, In, ?Li, Lu, Mn, Na, Sc - RV010679-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-ms-tuning-solution-8-10-ppm-ge-mo-pd-ru-sb-sn-5-ppm-ir-ti-manufactured-and-tested-in-an-iso-17025guide-34-faci-rv010680-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_c77af8a0-a907-40dd-a988-2ad7c0923c03.jpg?v=1737683227</image:loc>
      <image:title>VeriSpec ICP-MS Tuning Solution 8 10 ppm: Ge, Mo, Pd, Ru, Sb, Sn; 5 ppm Ir, Ti 34 Faci - RV010680-100N</image:title>
      <image:caption>VeriSpec ICP-MS Tuning Solution 8 10 ppm: Ge, Mo, Pd, Ru, Sb, Sn; 5 ppm Ir, Ti 34 Faci - RV010680-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-12-10-ppm-b-ge-mo-nb-p-re-s-si-ta-ti-w-zr-manufactured-and-tested-in-an-iso-17025guide-3-rv010681-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_25d2c615-15a8-493f-b7c7-fb8fbd76405e.jpg?v=1737683228</image:loc>
      <image:title>VeriSpec Multi-Element Standard 12 10 ppm: B, Ge, Mo, Nb, P, Re, S, Si, Ta, Ti, W, Zr 3 - RV010681-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 12 10 ppm: B, Ge, Mo, Nb, P, Re, S, Si, Ta, Ti, W, Zr 3 - RV010681-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-17-10-ppm-ce-dy-er-eu-gd-ho-la-lu-nd-pr-sc-sm-tb-th-tm-y-yb-manufactured-and-tested-rv010682-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_aafc5ab5-6606-48a1-9da2-56444d8f6f07.jpg?v=1737683228</image:loc>
      <image:title>VeriSpec Multi-Element Standard 17 10 ppm:  Ce, Dy, Er, Eu, Gd, Ho, La, Lu, Nd, Pr, Sc, Sm, Tb, Th, Tm, Y, Yb  Manufactured and Tested - RV010682-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 17 10 ppm:  Ce, Dy, Er, Eu, Gd, Ho, La, Lu, Nd, Pr, Sc, Sm, Tb, Th, Tm, Y, Yb  Manufactured and Tested - RV010682-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-10-10-ppm-sb-au-hf-ir-pd-pt-rh-ru-te-sn-manufactured-and-tested-in-an-iso-17025guide-34-fa-rv010683-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_58a815f6-5d09-4cc7-a084-fca7414144ec.jpg?v=1737683229</image:loc>
      <image:title>VeriSpec Multi-Element Standard 10 10 ppm: Sb, Au, Hf, Ir, Pd, Pt, Rh, Ru, Te, Sn 34 Fa - RV010683-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 10 10 ppm: Sb, Au, Hf, Ir, Pd, Pt, Rh, Ru, Te, Sn 34 Fa - RV010683-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icv-standard-26-1000-ppm-ca-fe-k-mg-na-sr-10-ppm-ag-al-as-ba-be-cd-co-cr-cu-mn-mo-ni-pb-sb-se-t-rv010684-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_acaeac4e-3ad1-426c-bd70-6cc2860d4509.jpg?v=1704981049</image:loc>
      <image:title>VeriSpec ICV Standard 26 1000 ppm Ca, Fe, K, Mg, Na, Sr; 10 ppm Ag, Al, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Sb, Se, T - RV010684-100N</image:title>
      <image:caption>VeriSpec ICV Standard 26 1000 ppm Ca, Fe, K, Mg, Na, Sr; 10 ppm Ag, Al, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Sb, Se, T - RV010684-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-mixed-anion-standard-7-150-ppm-so-po-100-ppm-no-br-no-30-ppm-cl-20-ppm-f-manufactured-and-rv010685-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_d16eac5e-654b-402f-93e3-7b73f7a11326.jpg?v=1737683230</image:loc>
      <image:title>VeriSpec Mixed Anion Standard 7 150 ppm SO?²?, PO?³?; 100 ppm NO??, Br?, NO??; 30 ppm Cl?, 20 ppm F?  Manufactured and - RV010685-100N</image:title>
      <image:caption>VeriSpec Mixed Anion Standard 7 150 ppm SO?²?, PO?³?; 100 ppm NO??, Br?, NO??; 30 ppm Cl?, 20 ppm F?  Manufactured and - RV010685-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-mixed-anion-standard-7-150-ppm-so-po-100-ppm-no-br-no-30-ppm-cl-20-ppm-f-manufactured-and-rv010685-50n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_4246df0c-d54e-473b-a908-e91780151232.jpg?v=1737683231</image:loc>
      <image:title>VeriSpec Mixed Anion Standard 7 150 ppm SO?²?, PO?³?; 100 ppm NO??, Br?, NO??; 30 ppm Cl?, 20 ppm F?  Manufactured and - RV010685-50N</image:title>
      <image:caption>VeriSpec Mixed Anion Standard 7 150 ppm SO?²?, PO?³?; 100 ppm NO??, Br?, NO??; 30 ppm Cl?, 20 ppm F?  Manufactured and - RV010685-50N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-mixed-anion-standard-7-200-ppm-po-100-ppm-so-no-br-no-cl-20-ppm-f-manufactured-and-teste-rv010687-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_04daf9e8-86b0-48f3-830a-ea13e87486b8.jpg?v=1704981056</image:loc>
      <image:title>VeriSpec Mixed Anion Standard 7 200 ppm PO?³?; 100 ppm  SO?²?, NO??, Br?, NO??, Cl?; 20 ppm F?  Manufactured and Teste - RV010687-100N</image:title>
      <image:caption>VeriSpec Mixed Anion Standard 7 200 ppm PO?³?; 100 ppm  SO?²?, NO??, Br?, NO??, Cl?; 20 ppm F?  Manufactured and Teste - RV010687-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-mixed-anion-standard-5-150-ppm-so-po-100-ppm-no-30-ppm-cl-20-ppm-f-manufactured-and-tested-in-an-rv010688-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_e8d1b8e8-b30c-490a-bfbe-51bf4f0be6c2.jpg?v=1737683232</image:loc>
      <image:title>VeriSpec Mixed Anion Standard 5 150 ppm SO?²?, PO?³?; 100 ppm NO??, 30 ppm Cl?, 20 ppm F?  Manufactured and Tested in an - RV010688-100N</image:title>
      <image:caption>VeriSpec Mixed Anion Standard 5 150 ppm SO?²?, PO?³?; 100 ppm NO??, 30 ppm Cl?, 20 ppm F?  Manufactured and Tested in an - RV010688-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-mixed-cation-standard-6-50-ppm-li-200-ppm-na-k-mg-400-ppm-nh-1000-ppm-ca-manufactured-and-tested-in-rv010689-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_2cd7e990-6cf2-45ea-acf6-c12e8bba2265.jpg?v=1737683232</image:loc>
      <image:title>VeriSpec Mixed Cation Standard 6 50 ppm Li?; 200 ppm Na?, K?, Mg²?; 400 ppm NH??, 1000 ppm Ca²?  Manufactured and Tested in - RV010689-100N</image:title>
      <image:caption>VeriSpec Mixed Cation Standard 6 50 ppm Li?; 200 ppm Na?, K?, Mg²?; 400 ppm NH??, 1000 ppm Ca²?  Manufactured and Tested in - RV010689-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-mixed-cation-standard-6-50-ppm-li-200-ppm-na-k-mg-400-ppm-nh-1000-ppm-ca-manufactured-and-tested-in-rv010689-50n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_84295972-38fd-42e5-9e0a-be963473591c.jpg?v=1737683233</image:loc>
      <image:title>VeriSpec Mixed Cation Standard 6 50 ppm Li?; 200 ppm Na?, K?, Mg²?; 400 ppm NH??, 1000 ppm Ca²?  Manufactured and Tested in - RV010689-50N</image:title>
      <image:caption>VeriSpec Mixed Cation Standard 6 50 ppm Li?; 200 ppm Na?, K?, Mg²?; 400 ppm NH??, 1000 ppm Ca²?  Manufactured and Tested in - RV010689-50N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-mixed-cation-standard-6-50-ppm-li-na-200-ppm-250-ppm-nh-mg-500-ppm-k-ca-manufactured-and-tested-i-rv010691-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_d745b66b-8ce4-4864-adfc-ef038f3bbbb8.jpg?v=1737683234</image:loc>
      <image:title>VeriSpec Mixed Cation Standard 6 50 ppm Li?, Na? 200 ppm; 250 ppm NH??, Mg²? ; 500 ppm K?, Ca²?  Manufactured and Tested i - RV010691-100N</image:title>
      <image:caption>VeriSpec Mixed Cation Standard 6 50 ppm Li?, Na? 200 ppm; 250 ppm NH??, Mg²? ; 500 ppm K?, Ca²?  Manufactured and Tested i - RV010691-100N</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_81f2ecc2-f312-47f5-8c90-1c4dcbc66355.jpg?v=1704981066</image:loc>
      <image:title>VeriSpec QC Standard 5 1500 ppm K, 1000 ppm Pb; 500 ppm Al, Mg; 100 ppm Cd - RV010692-100N</image:title>
      <image:caption>VeriSpec QC Standard 5 1500 ppm K, 1000 ppm Pb; 500 ppm Al, Mg; 100 ppm Cd - RV010692-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-qc-standard-5-1500-ppm-k-1000-ppm-pb-500-ppm-al-mg-100-ppm-cd-manufactured-and-tested-in-an-iso-17025guide-rv010692-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_72f4d455-a58f-4007-ab34-b04583e2cdc3.jpg?v=1704981068</image:loc>
      <image:title>VeriSpec QC Standard 5 1500 ppm K, 1000 ppm Pb; 500 ppm Al, Mg; 100 ppm Cd - RV010692-500N</image:title>
      <image:caption>VeriSpec QC Standard 5 1500 ppm K, 1000 ppm Pb; 500 ppm Al, Mg; 100 ppm Cd - RV010692-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-qc-standard-for-chlorineschlorides-10000-mgl-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010694-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_18355f27-644a-4ce0-a4ab-9691253e0edc.jpg?v=1737683235</image:loc>
      <image:title>VeriSpec QC Standard for Chlorines/Chlorides 10,000 mg/L  - RV010694-100N</image:title>
      <image:caption>VeriSpec QC Standard for Chlorines/Chlorides 10,000 mg/L  - RV010694-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-qc-standard-for-chlorineschlorides-10000-mgl-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010694-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_a9ce5320-3567-408b-9dfb-2bcf90e44395.jpg?v=1737683236</image:loc>
      <image:title>VeriSpec QC Standard for Chlorines/Chlorides 10,000 mg/L  - RV010694-500N</image:title>
      <image:caption>VeriSpec QC Standard for Chlorines/Chlorides 10,000 mg/L  - RV010694-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-qc-standard-5-100-ppm-al-cd-k-mg-pb-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010696-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_26500f72-a883-4310-a8d4-c0b4a7f3c657.jpg?v=1704981075</image:loc>
      <image:title>VeriSpec QC Standard 5 100 ppm: Al, Cd, K, Mg, Pb  - RV010696-100N</image:title>
      <image:caption>VeriSpec QC Standard 5 100 ppm: Al, Cd, K, Mg, Pb  - RV010696-100N</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_bff65851-e55f-4435-b84c-b00e5ad0cb35.jpg?v=1704981077</image:loc>
      <image:title>VeriSpec QC Standard 9 50 ppm: Al, As, Co, Cr, Cu, K, Na, P, Pb  - RV010697-100N</image:title>
      <image:caption>VeriSpec QC Standard 9 50 ppm: Al, As, Co, Cr, Cu, K, Na, P, Pb  - RV010697-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-qc-standard-9-50-ppm-al-as-co-cr-cu-k-na-p-pb-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010697-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_58170c71-981e-4da0-b984-0ad46cf19ade.jpg?v=1704981079</image:loc>
      <image:title>VeriSpec QC Standard 9 50 ppm: Al, As, Co, Cr, Cu, K, Na, P, Pb  - RV010697-500N</image:title>
      <image:caption>VeriSpec QC Standard 9 50 ppm: Al, As, Co, Cr, Cu, K, Na, P, Pb  - RV010697-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-instrument-check-standard-3-1000-ppm-ba-mg-zn-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010699-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_d124384c-8aac-4139-a756-296d7cfae445.jpg?v=1704981081</image:loc>
      <image:title>VeriSpec Instrument Check Standard 3 1000 ppm: Ba, Mg, Zn  - RV010699-100N</image:title>
      <image:caption>VeriSpec Instrument Check Standard 3 1000 ppm: Ba, Mg, Zn  - RV010699-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-instrument-check-standard-3-1000-ppm-ba-mg-zn-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010699-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_02eb3889-ae1f-47f6-a603-cb3cb04b5608.jpg?v=1704981083</image:loc>
      <image:title>VeriSpec Instrument Check Standard 3 1000 ppm: Ba, Mg, Zn  - RV010699-500N</image:title>
      <image:caption>VeriSpec Instrument Check Standard 3 1000 ppm: Ba, Mg, Zn  - RV010699-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-21-100-ppm-as-be-ca-cd-co-cr-cu-fe-li-mg-mn-mo-ni-pb-sb-se-sr-ti-tl-v-zn-manufac-rv010701-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_9e251b19-7b67-4543-a87d-1b1a60ef408a.jpg?v=1704981086</image:loc>
      <image:title>VeriSpec Multi-Element Standard 21 100 ppm: As, Be, Ca, Cd, Co, Cr, Cu, Fe, Li, Mg, Mn, Mo, Ni, Pb, Sb, Se, Sr, Ti, Tl, V, Zn  Manufac - RV010701-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 21 100 ppm: As, Be, Ca, Cd, Co, Cr, Cu, Fe, Li, Mg, Mn, Mo, Ni, Pb, Sb, Se, Sr, Ti, Tl, V, Zn  Manufac - RV010701-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-7-1000-ppm-k-100-ppm-ag-al-b-ba-na-50-ppm-si-manufactured-and-tested-in-an-iso-17025guide-34-rv010702-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_53edecc1-003a-4687-af40-3d04f5a09f98.jpg?v=1737683237</image:loc>
      <image:title>VeriSpec Multi-Element Standard 7 1000 ppm K; 100 ppm Ag, Al, B, Ba, Na; 50 ppm Si 34 - RV010702-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 7 1000 ppm K; 100 ppm Ag, Al, B, Ba, Na; 50 ppm Si 34 - RV010702-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-qc-standard-23-1000-ppm-ag-al-b-ba-bi-ca-cd-co-cr-cu-fe-ga-in-k-li-mg-mn-na-ni-pb-sr-tl-zn-rv010703-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_690ab8a3-9bb3-4ec6-9b3b-23f157c77058.jpg?v=1704981095</image:loc>
      <image:title>VeriSpec QC Standard 23 1000 ppm: Ag, Al, B, Ba, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, In, K, Li, Mg, Mn, Na, Ni, Pb, Sr, Tl, Zn / - RV010703-100N</image:title>
      <image:caption>VeriSpec QC Standard 23 1000 ppm: Ag, Al, B, Ba, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, In, K, Li, Mg, Mn, Na, Ni, Pb, Sr, Tl, Zn / - RV010703-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-qc-standard-23-1000-ppm-ag-al-b-ba-bi-ca-cd-co-cr-cu-fe-ga-in-k-li-mg-mn-na-ni-pb-sr-tl-zn-rv010703-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_1a553c28-3523-4acb-b1c7-f0421e4c0ab1.jpg?v=1704981097</image:loc>
      <image:title>VeriSpec QC Standard 23 1000 ppm: Ag, Al, B, Ba, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, In, K, Li, Mg, Mn, Na, Ni, Pb, Sr, Tl, Zn / - RV010703-500N</image:title>
      <image:caption>VeriSpec QC Standard 23 1000 ppm: Ag, Al, B, Ba, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, In, K, Li, Mg, Mn, Na, Ni, Pb, Sr, Tl, Zn / - RV010703-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-qc-standard-7-1000-ppm-k-500-ppm-si-100-ppm-al-b-ba-na-50-ppm-ag-manufactured-and-tested-in-an-iso-17025g-rv010705-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_257dffb8-ded4-4f05-ad96-ff37e04a4cc0.jpg?v=1737683237</image:loc>
      <image:title>VeriSpec QC Standard 7 1000 ppm K, 500 ppm Si; 100 ppm Al, B, Ba, Na; 50 ppm Ag  G - RV010705-100N</image:title>
      <image:caption>VeriSpec QC Standard 7 1000 ppm K, 500 ppm Si; 100 ppm Al, B, Ba, Na; 50 ppm Ag  G - RV010705-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-4-5000-ppm-ca-k-mg-na-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010706-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_a55410cc-bbd2-40a8-981b-bc3180acd17a.jpg?v=1737683238</image:loc>
      <image:title>VeriSpec Multi-Element Standard 4 5000 ppm: Ca, K, Mg, Na  - RV010706-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 4 5000 ppm: Ca, K, Mg, Na  - RV010706-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-4-5000-ppm-ca-k-mg-na-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010706-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_61f5faab-7037-45af-b293-66b757cae239.jpg?v=1737683239</image:loc>
      <image:title>VeriSpec Multi-Element Standard 4 5000 ppm: Ca, K, Mg, Na  - RV010706-500N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 4 5000 ppm: Ca, K, Mg, Na  - RV010706-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-heavy-metals-100-ppm-as-tl-50-ppm-cd-se-30-ppm-pb-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010708-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_32a6b138-9cbc-42a5-ad94-aad9a11f15ae.jpg?v=1704981105</image:loc>
      <image:title>VeriSpec Multi-Element Standard, Heavy Metals 100 ppm As, Tl, 50 ppm Cd, Se; 30 ppm Pb  - RV010708-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard, Heavy Metals 100 ppm As, Tl, 50 ppm Cd, Se; 30 ppm Pb  - RV010708-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-calibration-standard-19-400-ppm-tl-200-ppm-bi-in-pb-150-ppm-ga-100-ppm-al-50-ppm-ag-ni-25-ppm-cr-20-ppm-cd-co-cu-rv010709-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_1ed396f4-aa3d-4a76-9b33-04ddbab0ee58.jpg?v=1737683240</image:loc>
      <image:title>VeriSpec ICP Calibration Standard 19 400 ppm Tl; 200 ppm Bi, In, Pb; 150 ppm Ga, 100 ppm Al; 50 ppm Ag, Ni; 25 ppm Cr; 20 ppm Cd, Co, Cu, - RV010709-100N</image:title>
      <image:caption>VeriSpec ICP Calibration Standard 19 400 ppm Tl; 200 ppm Bi, In, Pb; 150 ppm Ga, 100 ppm Al; 50 ppm Ag, Ni; 25 ppm Cr; 20 ppm Cd, Co, Cu, - RV010709-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-3-10000-ppm-k-1000-ppm-na-250-ppm-li-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010710-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_55bcde87-19c3-4d88-841b-8ed39598da53.jpg?v=1704981108</image:loc>
      <image:title>VeriSpec Multi-Element Standard 3 10,000 ppm K, 1000 ppm Na, 250 ppm Li  - RV010710-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 3 10,000 ppm K, 1000 ppm Na, 250 ppm Li  - RV010710-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-calibration-standard-4-1000-ppm-ba-ca-mg-sr-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010711-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_e703440f-5535-4815-ab1d-cd1994aa44ef.jpg?v=1704981110</image:loc>
      <image:title>VeriSpec ICP Calibration Standard 4 1000 ppm: Ba, Ca, Mg, Sr  - RV010711-100N</image:title>
      <image:caption>VeriSpec ICP Calibration Standard 4 1000 ppm: Ba, Ca, Mg, Sr  - RV010711-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-calibration-standard-23-1000-ppm-ag-al-b-ba-bi-ca-cd-co-cr-cu-fe-ga-in-k-li-mg-mn-na-ni-pb-sr-tl-zn-rv010712-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_d7512970-1adf-4f86-b704-8f4eeb3cda01.jpg?v=1704981112</image:loc>
      <image:title>VeriSpec ICP Calibration Standard 23 1000 ppm: Ag, Al, B, Ba, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, In, K, Li, Mg, Mn, Na, Ni, Pb, Sr, Tl, Zn / - RV010712-100N</image:title>
      <image:caption>VeriSpec ICP Calibration Standard 23 1000 ppm: Ag, Al, B, Ba, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, In, K, Li, Mg, Mn, Na, Ni, Pb, Sr, Tl, Zn / - RV010712-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-30-1000-ppm-ca-100-ppm-as-b-be-fe-se-zn-10-ppm-ag-al-ba-bi-cd-co-cr-cu-ga-k-li-mg-mn-rv010713-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_4d94bc50-6607-4cb1-980a-d3271b9019ed.jpg?v=1737683241</image:loc>
      <image:title>VeriSpec Multi-Element Standard 30 1000 ppm Ca; 100 ppm As, B, Be, Fe, Se, Zn; 10 ppm Ag, Al, Ba, Bi, Cd, Co, Cr, Cu, Ga, K, Li, Mg, Mn - RV010713-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 30 1000 ppm Ca; 100 ppm As, B, Be, Fe, Se, Zn; 10 ppm Ag, Al, Ba, Bi, Cd, Co, Cr, Cu, Ga, K, Li, Mg, Mn - RV010713-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-24-100-ppm-al-b-ba-be-bi-ca-cd-co-cr-cu-fe-ga-k-li-mg-mn-na-ni-pb-se-sr-te-tl-zn-rv010714-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_8a3a35d6-368d-488e-9df4-e19a02f5f1a3.jpg?v=1737683241</image:loc>
      <image:title>VeriSpec Multi-Element Standard 24 100 ppm Al, B, Ba, Be, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, K, Li, Mg, Mn, Na, Ni, Pb, Se, Sr, Te, Tl, Zn - RV010714-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 24 100 ppm Al, B, Ba, Be, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, K, Li, Mg, Mn, Na, Ni, Pb, Se, Sr, Te, Tl, Zn - RV010714-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-9-100-ppm-as-be-pb-cd-cr-ni-hg-se-tl-manufactured-and-tested-in-an-iso-17025guide-34-facil-rv010715-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_c8120f37-ba87-422a-88fa-2bf8a528b3d2.jpg?v=1737683242</image:loc>
      <image:title>VeriSpec Multi-Element Standard 9 100 ppm: As, Be, Pb, Cd, Cr, Ni, Hg, Se, Tl 34 Facil - RV010715-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 9 100 ppm: As, Be, Pb, Cd, Cr, Ni, Hg, Se, Tl 34 Facil - RV010715-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-23-15k-ppm-mg-8k-ppm-na-35k-ppm-ca-3000-ppm-k-100-ppb-b-fe-mo-sr-50-ppb-as-ba-ni-v-zn-30-rv010716-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_298926e2-a72c-4fce-81ab-8dfbb17f4e0c.jpg?v=1737683243</image:loc>
      <image:title>VeriSpec Multi-Element Standard 23 15K ppm Mg, 8K ppm Na, 3.5K ppm Ca, 3000 ppm K; 100 ppb B, Fe, Mo, Sr; 50 ppb As, Ba, Ni, V, Zn; 30 - RV010716-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 23 15K ppm Mg, 8K ppm Na, 3.5K ppm Ca, 3000 ppm K; 100 ppb B, Fe, Mo, Sr; 50 ppb As, Ba, Ni, V, Zn; 30 - RV010716-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-7-2500-ppm-zn-900-ppm-cr-pb-800-ppm-cu-10-ppm-cd-8-ppm-hg-manufactured-and-tested-in-an-iso-170-rv010717-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_3cb0399b-bce1-49a7-bff4-40bcc1533b3e.jpg?v=1737683244</image:loc>
      <image:title>VeriSpec Multi-Element Standard 7 2500 ppm Zn; 900 ppm Cr, Pb; 800 ppm Cu, 10 ppm Cd, 8 ppm Hg  Manufactured and Tested in an ISO 170 - RV010717-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 7 2500 ppm Zn; 900 ppm Cr, Pb; 800 ppm Cu, 10 ppm Cd, 8 ppm Hg  Manufactured and Tested in an ISO 170 - RV010717-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-8-1000-ppm-as-mo-p-s-si-w-v-zr-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010718-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_6ed919f8-9b37-456b-84a7-2bad4d2a969d.jpg?v=1704981123</image:loc>
      <image:title>VeriSpec Multi-Element Standard 8 1000 ppm: As, Mo, P, S, Si, W, V, Zr  - RV010718-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 8 1000 ppm: As, Mo, P, S, Si, W, V, Zr  - RV010718-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-trace-metals-calibration-standard-500-ppm-al-250-ppm-v-100-ppm-as-be-co-cr-cu-fe-mn-ni-pb-zn-25-ppm-cd-se-5ppm-hg-manu-rv010719-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_94fb86f4-e8c1-471c-ba05-751f510c2c1e.jpg?v=1737683245</image:loc>
      <image:title>VeriSpec Trace Metals Calibration Standard 500 ppm Al, 250 ppm V; 100 ppm As, Be, Co, Cr, Cu, Fe, Mn, Ni, Pb, Zn; 25 ppm Cd, Se; 5ppm Hg  Manu - RV010719-100N</image:title>
      <image:caption>VeriSpec Trace Metals Calibration Standard 500 ppm Al, 250 ppm V; 100 ppm As, Be, Co, Cr, Cu, Fe, Mn, Ni, Pb, Zn; 25 ppm Cd, Se; 5ppm Hg  Manu - RV010719-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-11-100-ppm-s-k-p-20-ppm-as-na-sc-li-ni-mn-la-mo-manufactured-and-tested-in-an-iso-17025g-rv010720-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_bed33272-d6e3-466e-acd6-1d3ec5fcd6f0.jpg?v=1704981127</image:loc>
      <image:title>VeriSpec Multi-Element Standard 11 100 ppm: S, K, P; 20 ppm: As, Na, Sc, Li, Ni, Mn, La, Mo  G - RV010720-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 11 100 ppm: S, K, P; 20 ppm: As, Na, Sc, Li, Ni, Mn, La, Mo  G - RV010720-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-11-100-ppm-s-k-p-20-ppm-as-na-sc-li-ni-mn-la-mo-manufactured-and-tested-in-an-iso-17025g-rv010720-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_8425efa5-7bda-45bb-a558-c3ec20572286.jpg?v=1704981129</image:loc>
      <image:title>VeriSpec Multi-Element Standard 11 100 ppm: S, K, P; 20 ppm: As, Na, Sc, Li, Ni, Mn, La, Mo  G - RV010720-500N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 11 100 ppm: S, K, P; 20 ppm: As, Na, Sc, Li, Ni, Mn, La, Mo  G - RV010720-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-8-50-ppm-k-10-ppm-la-li-mn-na-sr-1-ppm-ba-ca-manufactured-and-tested-in-an-iso-17025guide-34-rv010722-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_352adfe8-cabe-4a1d-8471-8136ae0d8d08.jpg?v=1737683245</image:loc>
      <image:title>VeriSpec Multi-Element Standard 8 50 ppm K; 10 ppm La, Li, Mn, Na, Sr; 1 ppm Ba, Ca 34 - RV010722-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 8 50 ppm K; 10 ppm La, Li, Mn, Na, Sr; 1 ppm Ba, Ca 34 - RV010722-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-8-50-ppm-k-10-ppm-la-li-mn-na-sr-1-ppm-ba-ca-manufactured-and-tested-in-an-iso-17025guide-34-rv010722-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_093eb9ad-2d5b-4603-9a74-b237c31d75a0.jpg?v=1704981133</image:loc>
      <image:title>VeriSpec Multi-Element Standard 8 50 ppm K; 10 ppm La, Li, Mn, Na, Sr; 1 ppm Ba, Ca 34 - RV010722-500N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 8 50 ppm K; 10 ppm La, Li, Mn, Na, Sr; 1 ppm Ba, Ca 34 - RV010722-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-qc-standard-21-100-ppm-as-be-ca-cd-co-cr-cu-fe-li-mg-mn-mo-ni-pb-sb-se-sr-ti-tl-v-zn-manufac-rv010724-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_41d06f6e-8851-4283-a58f-e4e332adb094.jpg?v=1737683246</image:loc>
      <image:title>VeriSpec QC Standard 21 100 ppm: As, Be, Ca, Cd, Co, Cr, Cu, Fe, Li, Mg, Mn, Mo, Ni, Pb, Sb, Se, Sr, Ti, Tl, V, Zn  Manufac - RV010724-100N</image:title>
      <image:caption>VeriSpec QC Standard 21 100 ppm: As, Be, Ca, Cd, Co, Cr, Cu, Fe, Li, Mg, Mn, Mo, Ni, Pb, Sb, Se, Sr, Ti, Tl, V, Zn  Manufac - RV010724-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-calibration-standard-7-100-ppm-hf-ir-sb-sn-ta-ti-zr-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010725-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_73e70c34-031b-46fc-befa-e8c58b66e220.jpg?v=1737683247</image:loc>
      <image:title>VeriSpec ICP Calibration Standard 7 100 ppm: Hf, Ir, Sb, Sn, Ta, Ti, Zr  - RV010725-100N</image:title>
      <image:caption>VeriSpec ICP Calibration Standard 7 100 ppm: Hf, Ir, Sb, Sn, Ta, Ti, Zr  - RV010725-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-gfaa-multi-element-standard-16-100-ppm-al-as-pb-sb-se-tl-50-ppm-ba-co-cu-ni-20-ppm-cr-fe-mn-10-ppm-al-5-ppm-be-cd-rv010726-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_6dfba7eb-0017-4069-ad5e-6f822f972044.jpg?v=1737683248</image:loc>
      <image:title>VeriSpec GFAA Multi-Element Standard 16 100 ppm: Al, As, Pb, Sb, Se, Tl; 50 ppm: Ba, Co, Cu, Ni; 20 ppm Cr, Fe, mn; 10 ppm Al; 5 ppm Be, Cd - RV010726-100N</image:title>
      <image:caption>VeriSpec GFAA Multi-Element Standard 16 100 ppm: Al, As, Pb, Sb, Se, Tl; 50 ppm: Ba, Co, Cu, Ni; 20 ppm Cr, Fe, mn; 10 ppm Al; 5 ppm Be, Cd - RV010726-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-tuning-solution-15-500-ppm-k-50-ppm-al-as-ba-cd-co-cr-cu-mn-mo-ni-pb-se-sr-zn-manufactured-and-tested-rv010727-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_31b0d186-8b52-44bd-ad5d-7014f98e501d.jpg?v=1737683249</image:loc>
      <image:title>VeriSpec ICP Tuning Solution 15 500 ppm: K; 50 ppm: Al, As, Ba, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se, Sr, Zn  Manufactured and Tested - RV010727-100N</image:title>
      <image:caption>VeriSpec ICP Tuning Solution 15 500 ppm: K; 50 ppm: Al, As, Ba, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se, Sr, Zn  Manufactured and Tested - RV010727-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-tuning-solution-15-500-ppm-k-50-ppm-al-as-ba-cd-co-cr-cu-mn-mo-ni-pb-se-sr-zn-manufactured-and-tested-rv010727-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_84b90bb6-e26b-4249-9c4a-0a1e28a51d37.jpg?v=1737683249</image:loc>
      <image:title>VeriSpec ICP Tuning Solution 15 500 ppm: K; 50 ppm: Al, As, Ba, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se, Sr, Zn  Manufactured and Tested - RV010727-500N</image:title>
      <image:caption>VeriSpec ICP Tuning Solution 15 500 ppm: K; 50 ppm: Al, As, Ba, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se, Sr, Zn  Manufactured and Tested - RV010727-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-26-100-ppm-k-20-ppm-al-as-na-pb-se-te-10-ppm-ca-p-5-ppm-hg-ni-2-ppm-b-ba-cd-cr-cu-fe-rv010729-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_baa8ffcf-e217-4d66-9a81-b8d0b1a1389e.jpg?v=1704981144</image:loc>
      <image:title>VeriSpec Multi-Element Standard 26 100 ppm K; 20 ppm Al, As, Na, Pb, Se, Te; 10 ppm: Ca, P; 5 ppm Hg, Ni; 2 ppm B, Ba, Cd, Cr, Cu, Fe, - RV010729-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 26 100 ppm K; 20 ppm Al, As, Na, Pb, Se, Te; 10 ppm: Ca, P; 5 ppm Hg, Ni; 2 ppm B, Ba, Cd, Cr, Cu, Fe, - RV010729-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-mixed-cation-standard-9-100-ppm-ba-ca-k-li-mg-mn-na-nh-sr-manufactured-and-tested-in-rv010730-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_4171d7d9-fdb8-4444-8f16-062d6ec41fac.jpg?v=1737683250</image:loc>
      <image:title>VeriSpec Mixed Cation Standard 9 100 ppm Ba²?, Ca²?, K?, Li?, Mg²?, Mn²?, Na?, NH??, Sr²?  Manufactured and Tested in - RV010730-100N</image:title>
      <image:caption>VeriSpec Mixed Cation Standard 9 100 ppm Ba²?, Ca²?, K?, Li?, Mg²?, Mn²?, Na?, NH??, Sr²?  Manufactured and Tested in - RV010730-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-detection-limit-standard-5-10-ppb-be-co-in-tl-u-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010731-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_e07db917-4f2a-494b-969b-16ba7a0da1df.jpg?v=1704981147</image:loc>
      <image:title>VeriSpec Detection Limit Standard 5 10 ppb: Be, Co, In, Tl, U  - RV010731-100N</image:title>
      <image:caption>VeriSpec Detection Limit Standard 5 10 ppb: Be, Co, In, Tl, U  - RV010731-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-5-200-ppb-cd-cu-mg-pb-rh-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010732-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_52c9ab30-67bc-4c14-931d-7b610f76e872.jpg?v=1704981149</image:loc>
      <image:title>VeriSpec Multi-Element Standard 5 200 ppb: Cd, Cu, Mg, Pb, Rh  - RV010732-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 5 200 ppb: Cd, Cu, Mg, Pb, Rh  - RV010732-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-ms-calibration-standard-29-10-ppm-ag-al-as-ba-be-bi-ca-cd-co-cr-cs-cu-fe-ga-in-k-li-mg-mn-na-ni-pb-rb-s-rv010733-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_59b7c73c-df8e-4e52-b3c6-22ace84e7b7f.jpg?v=1737683251</image:loc>
      <image:title>VeriSpec ICP-MS Calibration Standard 29 10 ppm: Ag, Al, As, Ba, Be, Bi, Ca, Cd, Co, Cr, Cs, Cu, Fe, Ga, In, K, Li, Mg, Mn, Na, Ni, Pb, Rb, S - RV010733-100N</image:title>
      <image:caption>VeriSpec ICP-MS Calibration Standard 29 10 ppm: Ag, Al, As, Ba, Be, Bi, Ca, Cd, Co, Cr, Cs, Cu, Fe, Ga, In, K, Li, Mg, Mn, Na, Ni, Pb, Rb, S - RV010733-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-11-10-ppb-ba-ce-ge-mg-sc-tl-cd-cu-pb-rh-tb-manufactured-and-tested-in-an-iso-17025guide-3-rv010734-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_88652718-c9b7-4d39-9d3b-5f174371c397.jpg?v=1704981153</image:loc>
      <image:title>VeriSpec Multi-Element Standard 11 10 ppb: Ba, Ce, Ge, Mg, Sc, Tl, Cd, Cu, Pb, Rh, Tb 3 - RV010734-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 11 10 ppb: Ba, Ce, Ge, Mg, Sc, Tl, Cd, Cu, Pb, Rh, Tb 3 - RV010734-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-11-10-ppb-ba-ce-ge-mg-sc-tl-cd-cu-pb-rh-tb-manufactured-and-tested-in-an-iso-17025guide-3-rv010734-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_6d826f2f-5c0a-461e-816c-da7abfe311a8.jpg?v=1704981154</image:loc>
      <image:title>VeriSpec Multi-Element Standard 11 10 ppb: Ba, Ce, Ge, Mg, Sc, Tl, Cd, Cu, Pb, Rh, Tb 3 - RV010734-500N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 11 10 ppb: Ba, Ce, Ge, Mg, Sc, Tl, Cd, Cu, Pb, Rh, Tb 3 - RV010734-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-15-1-ppb-b-ba-co-fe-ga-in-k-li-lu-na-rh-sc-tl-u-y-manufactured-and-tested-in-an-iso-17-rv010736-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_a96c63bd-7377-4c1a-9f91-8fa902fde61c.jpg?v=1704981156</image:loc>
      <image:title>VeriSpec Multi-Element Standard 15 1 ppb: B, Ba, Co, Fe, Ga, In, K, Li, Lu, Na, Rh, Sc, Tl, U, Y  Manufactured and Tested in an ISO 17 - RV010736-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 15 1 ppb: B, Ba, Co, Fe, Ga, In, K, Li, Lu, Na, Rh, Sc, Tl, U, Y  Manufactured and Tested in an ISO 17 - RV010736-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-15-1-ppb-b-ba-co-fe-ga-in-k-li-lu-na-rh-sc-tl-u-y-manufactured-and-tested-in-an-iso-17-rv010736-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_741ff472-c414-46e2-ba6b-8cf1dc5e657b.jpg?v=1704981158</image:loc>
      <image:title>VeriSpec Multi-Element Standard 15 1 ppb: B, Ba, Co, Fe, Ga, In, K, Li, Lu, Na, Rh, Sc, Tl, U, Y  Manufactured and Tested in an ISO 17 - RV010736-500N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 15 1 ppb: B, Ba, Co, Fe, Ga, In, K, Li, Lu, Na, Rh, Sc, Tl, U, Y  Manufactured and Tested in an ISO 17 - RV010736-500N</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_17e27707-aba5-4518-9bea-91703f8b9b1e.jpg?v=1737683252</image:loc>
      <image:title>VeriSpec Mixed Anion Standard 7 2 ppm F?, 10 ppm PO?³?, NO??, Br?, SO?²?, 5ppm Cl?, NO??  Manufactured and Tested in a - RV010738-100N</image:title>
      <image:caption>VeriSpec Mixed Anion Standard 7 2 ppm F?, 10 ppm PO?³?, NO??, Br?, SO?²?, 5ppm Cl?, NO??  Manufactured and Tested in a - RV010738-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-mixed-anion-standard-7-2-ppm-f-10-ppm-po-no-br-so-5ppm-cl-no-manufactured-and-tested-in-a-rv010739-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_f4a4e9b1-c908-49f2-aae0-27a331f3e729.jpg?v=1737683252</image:loc>
      <image:title>VeriSpec Mixed Anion Standard 7 2 ppm F?, 10 ppm PO?³?, NO??, Br?, SO?²?, 5ppm Cl?, NO??  Manufactured and Tested in a - RV010739-100N</image:title>
      <image:caption>VeriSpec Mixed Anion Standard 7 2 ppm F?, 10 ppm PO?³?, NO??, Br?, SO?²?, 5ppm Cl?, NO??  Manufactured and Tested in a - RV010739-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-mixed-anion-standard-7-05-ppm-f-po-1-ppm-no-no-br-125-ppm-so-cl-manufactured-and-test-rv010740-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_820aa3e7-c521-4909-ac9e-553a59c66654.jpg?v=1737683253</image:loc>
      <image:title>VeriSpec Mixed Anion Standard 7 0.5 ppm F?, PO?³?; 1 ppm  NO??,  NO??, Br?; 12.5 ppm SO?²?, Cl?  Manufactured and Test - RV010740-100N</image:title>
      <image:caption>VeriSpec Mixed Anion Standard 7 0.5 ppm F?, PO?³?; 1 ppm  NO??,  NO??, Br?; 12.5 ppm SO?²?, Cl?  Manufactured and Test - RV010740-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-mixed-anion-standard-7-100-ppm-f-po-no-no-br-so-cl-manufactured-and-tested-in-an-iso-17-rv010741-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_f49ce5e6-e062-4ee7-b64b-2baeff197c16.jpg?v=1737683254</image:loc>
      <image:title>VeriSpec Mixed Anion Standard 7 100 ppm: F?, PO?³?, NO??,  NO??, Br?, SO?²?, Cl?  Manufactured and Tested in an ISO 17 - RV010741-100N</image:title>
      <image:caption>VeriSpec Mixed Anion Standard 7 100 ppm: F?, PO?³?, NO??,  NO??, Br?, SO?²?, Cl?  Manufactured and Tested in an ISO 17 - RV010741-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-mixed-anion-standard-7-01-ppm-f-po-no-no-br-so-cl-manufactured-and-tested-in-an-iso-17-rv010742-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_d79b372c-fc23-4ec5-80dd-27835840c394.jpg?v=1704981167</image:loc>
      <image:title>VeriSpec Mixed Anion Standard 7 0.1 ppm: F?, PO?³?, NO??,  NO??, Br?, SO?²?, Cl?  Manufactured and Tested in an ISO 17 - RV010742-100N</image:title>
      <image:caption>VeriSpec Mixed Anion Standard 7 0.1 ppm: F?, PO?³?, NO??,  NO??, Br?, SO?²?, Cl?  Manufactured and Tested in an ISO 17 - RV010742-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-mixed-anion-standard-2-05-ppm-cl-so-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010743-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_cbf270a1-3c6d-4566-ba38-3c34bfff434d.jpg?v=1704981169</image:loc>
      <image:title>VeriSpec Mixed Anion Standard 2 0.5 ppm Cl?, SO?²?  - RV010743-500N</image:title>
      <image:caption>VeriSpec Mixed Anion Standard 2 0.5 ppm Cl?, SO?²?  - RV010743-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-mixed-anion-standard-2-1-ppm-cl-so-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010744-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_b05ce48f-8749-4e4f-b212-53b02bf9445b.jpg?v=1704981170</image:loc>
      <image:title>VeriSpec Mixed Anion Standard 2 1 ppm Cl?, SO?²?  - RV010744-500N</image:title>
      <image:caption>VeriSpec Mixed Anion Standard 2 1 ppm Cl?, SO?²?  - RV010744-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-mixed-anion-standard-2-2-ppm-cl-so-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010745-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_39c95d06-5620-45eb-8c06-b1e5dba82da6.jpg?v=1704981173</image:loc>
      <image:title>VeriSpec Mixed Anion Standard 2 2 ppm Cl?, SO?²?  - RV010745-500N</image:title>
      <image:caption>VeriSpec Mixed Anion Standard 2 2 ppm Cl?, SO?²?  - RV010745-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-mixed-anion-standard-2-25-ppm-cl-so-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010746-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>VeriSpec Mixed Anion Standard 2 2.5 ppm Cl?, SO?²?  - RV010746-500N</image:title>
      <image:caption>VeriSpec Mixed Anion Standard 2 2.5 ppm Cl?, SO?²?  - RV010746-500N</image:caption>
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  <url>
    <loc>https://labproinc.com/products/verispec-mixed-anion-standard-2-5-ppm-cl-so-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010747-500n</loc>
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      <image:title>VeriSpec Mixed Anion Standard 2 5 ppm Cl?, SO?²?  - RV010747-500N</image:title>
      <image:caption>VeriSpec Mixed Anion Standard 2 5 ppm Cl?, SO?²?  - RV010747-500N</image:caption>
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      <image:title>VeriSpec Mixed Anion Standard 2 10 ppm Cl?, SO?²?  - RV010748-500N</image:title>
      <image:caption>VeriSpec Mixed Anion Standard 2 10 ppm Cl?, SO?²?  - RV010748-500N</image:caption>
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      <image:caption>VeriSpec Ion Chromatography Calibration Standard 2 150 ppm HPO, 10 ppm SO  - RV010749-100N</image:caption>
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  <url>
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      <image:title>VeriSpec Ion Chromatography Calibration Standard 2 150 HPO, 10 ppm SO - RV010749-500N</image:title>
      <image:caption>VeriSpec Ion Chromatography Calibration Standard 2 150 ppm HPO, 10 ppm SO  - RV010749-500N</image:caption>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>VeriSpec Ion Chromatography Calibration Standard 2 250 ppm HPO, 10 ppm SO  - RV010751-100N</image:caption>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>VeriSpec Ion Chromatography Calibration Standard 2 350 HPO, 10 ppm SO - RV010752-100N</image:title>
      <image:caption>VeriSpec Ion Chromatography Calibration Standard 2 350 ppm HPO, 10 ppm SO  - RV010752-100N</image:caption>
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  <url>
    <loc>https://labproinc.com/products/verispec-ion-chromatography-calibration-standard-2-450-ppm-hpo-10-ppm-so-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010753-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>VeriSpec Ion Chromatography Calibration Standard 2 450 HPO, 10 ppm SO - RV010753-100N</image:title>
      <image:caption>VeriSpec Ion Chromatography Calibration Standard 2 450 ppm HPO, 10 ppm SO  - RV010753-100N</image:caption>
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  <url>
    <loc>https://labproinc.com/products/verispec-ion-chromatography-calibration-standard-2-550-ppm-hpo-10-ppm-so-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010754-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_fb0d9fb4-ed72-43ed-89ae-1d944c43271f.jpg?v=1704981194</image:loc>
      <image:title>VeriSpec Ion Chromatography Calibration Standard 2 550 HPO, 10 ppm SO - RV010754-100N</image:title>
      <image:caption>VeriSpec Ion Chromatography Calibration Standard 2 550 ppm HPO, 10 ppm SO  - RV010754-100N</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-ion-chromatography-calibration-standard-2-650-ppm-hpo-10-ppm-so-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010755-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_5bc4daf5-1fe6-4c3f-969d-f71498b2c365.jpg?v=1704981196</image:loc>
      <image:title>VeriSpec Ion Chromatography Calibration Standard 2 650 HPO, 10 ppm SO - RV010755-100N</image:title>
      <image:caption>VeriSpec Ion Chromatography Calibration Standard 2 650 ppm HPO, 10 ppm SO  - RV010755-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-qc-check-standard-2-545-ppm-hpo-10-ppm-so-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010756-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_e1344add-f76a-4d4f-a212-6253842a737b.jpg?v=1704981198</image:loc>
      <image:title>VeriSpec QC Check Standard 2 545 ppm HPO, 10 ppm SO  - RV010756-100N</image:title>
      <image:caption>VeriSpec QC Check Standard 2 545 ppm HPO, 10 ppm SO  - RV010756-100N</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_572d8b1f-f21e-445e-ac8e-71c1ef8c8519.jpg?v=1704981199</image:loc>
      <image:title>VeriSpec Mixed Cation Standard 6 10 ppm: K?, Ca²?, Mg²?; 5 ppm: NH??, Na?; 1 ppm Li - RV010757-100N</image:title>
      <image:caption>VeriSpec Mixed Cation Standard 6 10 ppm: K?, Ca²?, Mg²?; 5 ppm: NH??, Na?; 1 ppm Li?  Manufactured and Tested in an ISO 170 - RV010757-100N</image:caption>
    </image:image>
  </url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_2a1c0860-c05e-4bec-8d8e-42e984520372.jpg?v=1737683255</image:loc>
      <image:title>VeriSpec Mixed Cation Standard 6 100 ppm: Li?, Na?, NH??, K?, Ca²?, Mg²? 34 - RV010758-100N</image:title>
      <image:caption>VeriSpec Mixed Cation Standard 6 100 ppm: Li?, Na?, NH??, K?, Ca²?, Mg²? 34 - RV010758-100N</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>VeriSpec Mixed Cation Standard 5 1 ppm Cu²?, Fe³?, Mn²?, Ni²?, Zn²? 34 Fac - RV010759-100N</image:title>
      <image:caption>VeriSpec Mixed Cation Standard 5 1 ppm Cu²?, Fe³?, Mn²?, Ni²?, Zn²? 34 Fac - RV010759-100N</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_1b667dea-fd0e-4c87-8626-4a9f24abe0c9.jpg?v=1704981205</image:loc>
      <image:title>VeriSpec Mixed Cation Standard 11 0.1 ppm: Li?, Na?, NH??, K?, Ca²?, Mg²?, Mn²?, Cu²?, Fe³?, Ni²?, Zn²?  Manufactu - RV010760-100N</image:title>
      <image:caption>VeriSpec Mixed Cation Standard 11 0.1 ppm: Li?, Na?, NH??, K?, Ca²?, Mg²?, Mn²?, Cu²?, Fe³?, Ni²?, Zn²?  Manufactu - RV010760-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-trace-metals-in-water-8k-ppm-mg-3200-ppm-ca-2100-ppm-na-2000-ppm-k-544-ppb-ba-323-ppb-sr-158-ppb-b-142-ppb-al-121-rv010761-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>VeriSpec Trace Metals in Water 8K ppm Mg, 3200 ppm Ca, 2100 ppm Na, 2000 ppm K, 544 ppb Ba, 323 ppb Sr, 158 ppb B, 142 ppb Al, 121 - RV010761-100N</image:title>
      <image:caption>VeriSpec Trace Metals in Water 8K ppm Mg, 3200 ppm Ca, 2100 ppm Na, 2000 ppm K, 544 ppb Ba, 323 ppb Sr, 158 ppb B, 142 ppb Al, 121 - RV010761-100N</image:caption>
    </image:image>
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  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_7ecac7c5-0ac0-4c7b-99ea-466fa04aa8c1.jpg?v=1737683256</image:loc>
      <image:title>VeriSpec Mercury Standard, 1.557 mg/Kg in HNO - RV010762-100N</image:title>
      <image:caption>VeriSpec Mercury Standard, 1.557 mg/Kg in HNO - RV010762-100N</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>VeriSpec Multi-Element Stadnard 10 50 ppm: As, K; 10 ppm: La, Li, Mn, Ni, Sr, Zn; 1 ppm Ba, Mg - RV010763-100N</image:title>
      <image:caption>VeriSpec Multi-Element Stadnard 10 50 ppm: As, K; 10 ppm: La, Li, Mn, Ni, Sr, Zn; 1 ppm Ba, Mg  Manufactured and Tested in an ISO 1702 - RV010763-100N</image:caption>
    </image:image>
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  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_47e5236d-653a-479f-a27a-d516278f1304.jpg?v=1737683258</image:loc>
      <image:title>VeriSpec Multi-Element Stadnard 10 50 ppm: As, K; 10 ppm: La, Li, Mn, Ni, Sr, Zn; 1 ppm Ba, Mg - RV010763-500N</image:title>
      <image:caption>VeriSpec Multi-Element Stadnard 10 50 ppm: As, K; 10 ppm: La, Li, Mn, Ni, Sr, Zn; 1 ppm Ba, Mg  Manufactured and Tested in an ISO 1702 - RV010763-500N</image:caption>
    </image:image>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_b3bc0b28-5ddb-44fb-8cb7-7ebd3cf1bfeb.jpg?v=1704981214</image:loc>
      <image:title>VeriSpec Multi-Element Standard 6 500 ppm Pb, 200 ppm Se; 150 ppm Cd, Zn; 100 ppm Mn, 50 ppm Be - RV010765-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 6 500 ppm Pb, 200 ppm Se; 150 ppm Cd, Zn; 100 ppm Mn, 50 ppm Be  Manufactured and Tested in an ISO 17 - RV010765-100N</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>VeriSpec Multi-Element Standard 5 10K ppm Fe; 100 ppm: Ba, Co, Cu, V  - RV010766-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 5 10K ppm Fe; 100 ppm: Ba, Co, Cu, V  - RV010766-100N</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_7f3827bc-d3a0-4dcd-a329-920393e648d0.jpg?v=1704981217</image:loc>
      <image:title>VeriSpec Multi-Element Standard 3 500 ppm As; 100 ppm Mo, Si  - RV010767-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 3 500 ppm As; 100 ppm Mo, Si  - RV010767-100N</image:caption>
    </image:image>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>VeriSpec Multi-Element Standard 6 1000 ppm Ca, 400 ppm K; 200 ppm Al, Na; 20 ppm Cr, Ni  Guid - RV010768-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 6 1000 ppm Ca, 400 ppm K; 200 ppm Al, Na; 20 ppm Cr, Ni  Guid - RV010768-100N</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>VeriSpec Multi-Element Standard 5 1000 ppm Mg, 200 ppm Sb; 200 ppm Tl, 100 ppm B, 50 ppm Ag   - RV010769-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 5 1000 ppm Mg, 200 ppm Sb; 200 ppm Tl, 100 ppm B, 50 ppm Ag   - RV010769-100N</image:caption>
    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>VeriSpec Multi-Element Standard 11 100 ppm: P, S, K; 20 ppm As, La, Li, Mn, Mo, Na, Ni, Sc  Gu - RV010770-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 11 100 ppm: P, S, K; 20 ppm As, La, Li, Mn, Mo, Na, Ni, Sc  Gu - RV010770-100N</image:caption>
    </image:image>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_89d3cbd9-3fa9-4183-80d6-790ac2ad4b0f.jpg?v=1704981224</image:loc>
      <image:title>VeriSpec Multi-Element Standard 11 100 ppm: P, S, K; 20 ppm As, La, Li, Mn, Mo, Na, Ni, Sc  Gu - RV010770-500N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 11 100 ppm: P, S, K; 20 ppm As, La, Li, Mn, Mo, Na, Ni, Sc  Gu - RV010770-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icv-standard-21-500-ppm-ca-mg-k-na-200-ppm-ba-al-100-ppm-fe-60-ppm-sb-50-ppm-co-v-40-ppm-ni-25-ppm-cu-2-rv010772-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_5cadb3d8-897f-4b93-870c-7bf80402e8e6.jpg?v=1704981226</image:loc>
      <image:title>VeriSpec ICV Standard 21 500 ppm: Ca, Mg, K, Na; 200 ppm Ba, Al; 100 ppm Fe, 60 ppm Sb; 50 ppm Co, V; 40 ppm Ni, 25 ppm Cu, 2 - RV010772-100N</image:title>
      <image:caption>VeriSpec ICV Standard 21 500 ppm: Ca, Mg, K, Na; 200 ppm Ba, Al; 100 ppm Fe, 60 ppm Sb; 50 ppm Co, V; 40 ppm Ni, 25 ppm Cu, 2 - RV010772-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-qc-standard-21-100-ppm-as-be-ca-cd-co-cr-cu-fe-li-mg-mn-mo-ni-pb-sb-se-sr-ti-tl-v-zn-manufac-rv010773-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_6f6fceba-292a-406d-979d-936176bc7327.jpg?v=1704981228</image:loc>
      <image:title>VeriSpec QC Standard 21 100 ppm: As, Be, Ca, Cd, Co, Cr, Cu, Fe, Li, Mg, Mn, Mo, Ni, Pb, Sb, Se, Sr, Ti, Tl, V, Zn  Manufac - RV010773-100N</image:title>
      <image:caption>VeriSpec QC Standard 21 100 ppm: As, Be, Ca, Cd, Co, Cr, Cu, Fe, Li, Mg, Mn, Mo, Ni, Pb, Sb, Se, Sr, Ti, Tl, V, Zn  Manufac - RV010773-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-qc-standard-7a-1000-ppm-k-500-ppm-si-100-ppm-al-b-ba-na-manufactured-and-tested-in-an-iso-17025guide-34-fac-rv010774-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_c9c14423-f740-4712-b8f7-6d0026245907.jpg?v=1737683259</image:loc>
      <image:title>VeriSpec QC Standard 7A 1000 ppm K, 500 ppm Si; 100 ppm Al, B, Ba, Na 34 Fac - RV010774-100N</image:title>
      <image:caption>VeriSpec QC Standard 7A 1000 ppm K, 500 ppm Si; 100 ppm Al, B, Ba, Na 34 Fac - RV010774-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-instrument-calibration-standard-4-5000-ppm-ca-k-mg-na-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010775-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_8571fcda-d46f-4f2e-95e1-48207e67f04c.jpg?v=1737683259</image:loc>
      <image:title>VeriSpec Instrument Calibration Standard 4 5000 ppm: Ca, K, Mg, Na  - RV010775-100N</image:title>
      <image:caption>VeriSpec Instrument Calibration Standard 4 5000 ppm: Ca, K, Mg, Na  - RV010775-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-instrument-calibration-standard-4-5000-ppm-ca-k-mg-na-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010775-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_e29fe4e0-fe68-4d1b-82dd-cac146b3bf88.jpg?v=1737683260</image:loc>
      <image:title>VeriSpec Instrument Calibration Standard 4 5000 ppm: Ca, K, Mg, Na  - RV010775-500N</image:title>
      <image:caption>VeriSpec Instrument Calibration Standard 4 5000 ppm: Ca, K, Mg, Na  - RV010775-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-instrument-calibration-standard-5-400-ppm-ni-200-ppm-zn-150-ppm-mn-100-ppm-ag-cr-manufactured-and-tested-in-an-iso-17025guide-3-rv010777-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_9c91442a-5e4c-44b9-a9bc-6bf84e18e555.jpg?v=1704981235</image:loc>
      <image:title>VeriSpec Instrument Calibration Standard 5 400 ppm Ni, 200 ppm Zn, 150 ppm Mn; 100 ppm Ag, Cr 3 - RV010777-100N</image:title>
      <image:caption>VeriSpec Instrument Calibration Standard 5 400 ppm Ni, 200 ppm Zn, 150 ppm Mn; 100 ppm Ag, Cr 3 - RV010777-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-instrument-calibration-standard-7-2000-ppm-al-ba-1000-ppm-fe-500-ppm-co-v-250-ppm-be-50-ppm-be-manufactured-and-tested-in-an-rv010778-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_28450297-2b71-4109-b9b4-125cb678dffb.jpg?v=1704981237</image:loc>
      <image:title>VeriSpec Instrument Calibration Standard 7 2000 ppm: Al, Ba; 1000 ppm Fe; 500 ppm Co, V; 250 ppm Be, 50 ppm Be - RV010778-100N</image:title>
      <image:caption>VeriSpec Instrument Calibration Standard 7 2000 ppm: Al, Ba; 1000 ppm Fe; 500 ppm Co, V; 250 ppm Be, 50 ppm Be  Manufactured and Tested in an - RV010778-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-instrument-calibration-standard-5-100-ppm-as-tl-50-ppm-cd-se-30-ppm-pb-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010779-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_05f0f2d6-87d1-4895-91ca-0b42a32f6e44.jpg?v=1704981238</image:loc>
      <image:title>VeriSpec Instrument Calibration Standard 5 100 ppm As, Tl; 50 ppm Cd, Se; 30 ppm Pb  - RV010779-100N</image:title>
      <image:caption>VeriSpec Instrument Calibration Standard 5 100 ppm As, Tl; 50 ppm Cd, Se; 30 ppm Pb  - RV010779-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-cdrl-standard-15-120-ppm-sb-100-ppm-co-v-80-ppm-ni-50-ppm-cu-40-ppm-zn-30-ppm-mn-20-ppm-ag-as-cr-tl-10-ppm-rv010780-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_071d99fb-3046-4032-aae4-64ed4abc0af8.jpg?v=1704981240</image:loc>
      <image:title>VeriSpec CDRL Standard 15 120 ppm Sb; 100 ppm Co, V; 80 ppm Ni, 50 ppm Cu; 40 ppm Zn, 30 ppm Mn; 20 ppm Ag, As, Cr, Tl; 10 ppm - RV010780-100N</image:title>
      <image:caption>VeriSpec CDRL Standard 15 120 ppm Sb; 100 ppm Co, V; 80 ppm Ni, 50 ppm Cu; 40 ppm Zn, 30 ppm Mn; 20 ppm Ag, As, Cr, Tl; 10 ppm - RV010780-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-instrument-check-standard-17-10-ppm-ag-al-as-ba-be-cd-co-cr-cu-mn-ni-pb-sb-se-tl-v-zn-rv010781-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_4fd726b8-c962-49b3-98d3-d726b1d7de67.jpg?v=1737683261</image:loc>
      <image:title>VeriSpec Instrument Check Standard 17 10 ppm: Ag, Al, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Ni, Pb, Sb, Se, Tl, V, Zn - RV010781-100N</image:title>
      <image:caption>VeriSpec Instrument Check Standard 17 10 ppm: Ag, Al, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Ni, Pb, Sb, Se, Tl, V, Zn - RV010781-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-instrument-check-standard-5-200-ppm-ca-fe-k-mg-na-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010782-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_b11c633a-09b7-46c7-b9f3-2b12367c7b35.jpg?v=1704981244</image:loc>
      <image:title>VeriSpec Instrument Check Standard 5 200 ppm: Ca, Fe, K, Mg, Na  - RV010782-100N</image:title>
      <image:caption>VeriSpec Instrument Check Standard 5 200 ppm: Ca, Fe, K, Mg, Na  - RV010782-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-instrument-check-standard-3-10-ppm-mo-th-u-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010783-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_93db9473-32d8-417f-89a8-1dd5d85c0091.jpg?v=1704981245</image:loc>
      <image:title>VeriSpec Instrument Check Standard 3 10 ppm: Mo, Th, U  - RV010783-100N</image:title>
      <image:caption>VeriSpec Instrument Check Standard 3 10 ppm: Mo, Th, U  - RV010783-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-instrument-check-standard-4-10-ppm-mo-sn-sr-ti-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010784-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_347e6b19-8856-401b-ae85-4b1f945d8290.jpg?v=1704981247</image:loc>
      <image:title>VeriSpec Instrument Check Standard 4 10 ppm: Mo, Sn, Sr, Ti  - RV010784-100N</image:title>
      <image:caption>VeriSpec Instrument Check Standard 4 10 ppm: Mo, Sn, Sr, Ti  - RV010784-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-standard-5-epa-6010-6000-ppm-ca-5000-ppm-fe-3000-ppm-mg-1200-ppm-al-1000-ppm-na-manufactured-and-tested-in-an-iso-rv010785-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_1af1c934-2ea2-4823-8dea-b93234c5457e.jpg?v=1704981249</image:loc>
      <image:title>VeriSpec Interference Check Standard 5, EPA 6010 6000 ppm Ca, 5000 ppm Fe, 3000 ppm Mg, 1200 ppm Al, 1000 ppm Na - RV010785-100N</image:title>
      <image:caption>VeriSpec Interference Check Standard 5, EPA 6010 6000 ppm Ca, 5000 ppm Fe, 3000 ppm Mg, 1200 ppm Al, 1000 ppm Na  Manufactured and Tested in an ISO - RV010785-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-standard-17-20000-ppm-k-1000-ppm-as-pb-tl-500-ppm-se-300-ppm-ag-ba-cd-co-cr-cu-ni-v-zn-200-ppm-mn-rv010786-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_1e6fbf10-cd70-4782-9248-804dfbc95117.jpg?v=1704981251</image:loc>
      <image:title>VeriSpec Interference Check Standard 17 20,000 ppm K; 1000 ppm As, Pb, Tl; 500 ppm Se; 300 ppm Ag, Ba, Cd, Co, Cr, Cu, Ni, V, Zn; 200 ppm Mn - RV010786-100N</image:title>
      <image:caption>VeriSpec Interference Check Standard 17 20,000 ppm K; 1000 ppm As, Pb, Tl; 500 ppm Se; 300 ppm Ag, Ba, Cd, Co, Cr, Cu, Ni, V, Zn; 200 ppm Mn - RV010786-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-standard-17-20000-ppm-k-1000-ppm-as-pb-tl-500-ppm-se-300-ppm-ag-ba-cd-co-cr-cu-ni-v-zn-200-ppm-mn-rv010786-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_f1532eef-10b5-42a3-acc6-fe3f6387e1c5.jpg?v=1704981253</image:loc>
      <image:title>VeriSpec Interference Check Standard 17 20,000 ppm K; 1000 ppm As, Pb, Tl; 500 ppm Se; 300 ppm Ag, Ba, Cd, Co, Cr, Cu, Ni, V, Zn; 200 ppm Mn - RV010786-500N</image:title>
      <image:caption>VeriSpec Interference Check Standard 17 20,000 ppm K; 1000 ppm As, Pb, Tl; 500 ppm Se; 300 ppm Ag, Ba, Cd, Co, Cr, Cu, Ni, V, Zn; 200 ppm Mn - RV010786-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-primary-interference-analytes-5000-ppm-al-ca-mg-2000-ppm-fe-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010788-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_516c08be-b4f7-4b40-96f0-a443015207ca.jpg?v=1737683262</image:loc>
      <image:title>VeriSpec Primary Interference Analytes 5000 ppm: Al, Ca, Mg; 2000 ppm Fe  - RV010788-100N</image:title>
      <image:caption>VeriSpec Primary Interference Analytes 5000 ppm: Al, Ca, Mg; 2000 ppm Fe  - RV010788-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-primary-interference-analytes-5000-ppm-al-ca-mg-2000-ppm-fe-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010788-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_1520eea2-a8ce-4474-920a-685d3fefef15.jpg?v=1704981256</image:loc>
      <image:title>VeriSpec Primary Interference Analytes 5000 ppm: Al, Ca, Mg; 2000 ppm Fe  - RV010788-500N</image:title>
      <image:caption>VeriSpec Primary Interference Analytes 5000 ppm: Al, Ca, Mg; 2000 ppm Fe  - RV010788-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-alternate-analytes-a-1000-ppm-cr-cu-mn-ni-ti-v-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010790-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_4bad8590-a328-4929-b0cf-473e00259a33.jpg?v=1704981258</image:loc>
      <image:title>VeriSpec Interference Check, Alternate Analytes A 1000 ppm: Cr, Cu, Mn, Ni, Ti, V  - RV010790-100N</image:title>
      <image:caption>VeriSpec Interference Check, Alternate Analytes A 1000 ppm: Cr, Cu, Mn, Ni, Ti, V  - RV010790-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-alternate-analytes-a-1000-ppm-cr-cu-mn-ni-ti-v-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010790-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_b052cd79-248b-4fc8-9b04-3efc6efd1afa.jpg?v=1704981260</image:loc>
      <image:title>VeriSpec Interference Check, Alternate Analytes A 1000 ppm: Cr, Cu, Mn, Ni, Ti, V  - RV010790-500N</image:title>
      <image:caption>VeriSpec Interference Check, Alternate Analytes A 1000 ppm: Cr, Cu, Mn, Ni, Ti, V  - RV010790-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-analytes-b-100-ppm-cd-ni-zn-60-ppm-sb-50-ppm-ba-be-co-cr-cu-mn-v-20-ppm-ag-10-ppm-as-tl-5-ppm-pb-rv010792-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_cd364ae1-7ccc-448e-89ea-4e4d14342678.jpg?v=1704981262</image:loc>
      <image:title>VeriSpec Interference Check, Analytes B 100 ppm: Cd, Ni, Zn, 60 ppm Sb; 50 ppm Ba, Be, Co, Cr, Cu, Mn, V; 20 ppm Ag; 10 ppm As, Tl; 5 ppm Pb - RV010792-100N</image:title>
      <image:caption>VeriSpec Interference Check, Analytes B 100 ppm: Cd, Ni, Zn, 60 ppm Sb; 50 ppm Ba, Be, Co, Cr, Cu, Mn, V; 20 ppm Ag; 10 ppm As, Tl; 5 ppm Pb - RV010792-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-analytes-b-100-ppm-cd-ni-zn-60-ppm-sb-50-ppm-ba-be-co-cr-cu-mn-v-20-ppm-ag-10-ppm-as-tl-5-ppm-pb-rv010792-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_0b2358c7-66e4-45c0-9e01-694264af9415.jpg?v=1704981263</image:loc>
      <image:title>VeriSpec Interference Check, Analytes B 100 ppm: Cd, Ni, Zn, 60 ppm Sb; 50 ppm Ba, Be, Co, Cr, Cu, Mn, V; 20 ppm Ag; 10 ppm As, Tl; 5 ppm Pb - RV010792-500N</image:title>
      <image:caption>VeriSpec Interference Check, Analytes B 100 ppm: Cd, Ni, Zn, 60 ppm Sb; 50 ppm Ba, Be, Co, Cr, Cu, Mn, V; 20 ppm Ag; 10 ppm As, Tl; 5 ppm Pb - RV010792-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-alternate-analytes-b-100-ppm-as-b-mo-na-sb-se-tl-10-ppm-ca-fe-mg-si-manufactured-and-tested-in-an-iso-17025-rv010794-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_29695680-8308-4b28-94c4-0384b1f795dd.jpg?v=1704981265</image:loc>
      <image:title>VeriSpec Interference Check, Alternate Analytes B 100 ppm: As, B, Mo, Na, Sb, Se, Tl; 10 ppm Ca, Fe, Mg, Si   - RV010794-100N</image:title>
      <image:caption>VeriSpec Interference Check, Alternate Analytes B 100 ppm: As, B, Mo, Na, Sb, Se, Tl; 10 ppm Ca, Fe, Mg, Si   - RV010794-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-alternate-analytes-b-100-ppm-as-b-mo-na-sb-se-tl-10-ppm-ca-fe-mg-si-manufactured-and-tested-in-an-iso-17025-rv010794-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_504632b5-df30-4262-90fa-c1f3ff0f2a58.jpg?v=1704981267</image:loc>
      <image:title>VeriSpec Interference Check, Alternate Analytes B 100 ppm: As, B, Mo, Na, Sb, Se, Tl; 10 ppm Ca, Fe, Mg, Si   - RV010794-500N</image:title>
      <image:caption>VeriSpec Interference Check, Alternate Analytes B 100 ppm: As, B, Mo, Na, Sb, Se, Tl; 10 ppm Ca, Fe, Mg, Si   - RV010794-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-solution-12-10k-ppm-cl-2000-ppm-c-1000-ppm-al-ca-fe-k-mg-na-p-s-20-ppm-mo-ti-manufactured-and-teste-rv010796-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_e5a1c7b9-95ab-448a-abe0-1e93939df26f.jpg?v=1737683263</image:loc>
      <image:title>VeriSpec Interference Check Solution 12 10K ppm Cl, 2000 ppm C; 1000 ppm Al, Ca, Fe, K, Mg, Na, P, S; 20 ppm Mo, Ti  Manufactured and Teste - RV010796-100N</image:title>
      <image:caption>VeriSpec Interference Check Solution 12 10K ppm Cl, 2000 ppm C; 1000 ppm Al, Ca, Fe, K, Mg, Na, P, S; 20 ppm Mo, Ti  Manufactured and Teste - RV010796-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-solution-12-10k-ppm-cl-2000-ppm-c-1000-ppm-al-ca-fe-k-mg-na-p-s-20-ppm-mo-ti-manufactured-and-teste-rv010796-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_9f0aae85-a173-43b1-8069-ed208750e50a.jpg?v=1737683263</image:loc>
      <image:title>VeriSpec Interference Check Solution 12 10K ppm Cl, 2000 ppm C; 1000 ppm Al, Ca, Fe, K, Mg, Na, P, S; 20 ppm Mo, Ti  Manufactured and Teste - RV010796-500N</image:title>
      <image:caption>VeriSpec Interference Check Solution 12 10K ppm Cl, 2000 ppm C; 1000 ppm Al, Ca, Fe, K, Mg, Na, P, S; 20 ppm Mo, Ti  Manufactured and Teste - RV010796-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-solution-9-10-ppm-ag-as-cd-co-cr-cu-mn-ni-zn-rv010798-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_d6ac9972-7aeb-40fb-b9d9-484e57af0046.jpg?v=1704981280</image:loc>
      <image:title>VeriSpec Interference Check Solution 9 10 ppm: Ag, As, Cd, Co, Cr, Cu, Mn, Ni, Zn - RV010798-100N</image:title>
      <image:caption>VeriSpec Interference Check Solution 9 10 ppm: Ag, As, Cd, Co, Cr, Cu, Mn, Ni, Zn - RV010798-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-solution-9-10-ppm-ag-as-cd-co-cr-cu-mn-ni-zn-rv010798-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_37724379-0d70-40ab-8e5d-6754d79bef69.jpg?v=1704981282</image:loc>
      <image:title>VeriSpec Interference Check Solution 9 10 ppm: Ag, As, Cd, Co, Cr, Cu, Mn, Ni, Zn - RV010798-500N</image:title>
      <image:caption>VeriSpec Interference Check Solution 9 10 ppm: Ag, As, Cd, Co, Cr, Cu, Mn, Ni, Zn - RV010798-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-analytes-c-2-ppm-ag-as-ba-be-cd-co-cr-cu-hg-mn-ni-pb-sb-se-tl-v-zn-rv010800-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_68a323aa-5805-47b9-8882-e50a7ae72c03.jpg?v=1704981284</image:loc>
      <image:title>VeriSpec Interference Check, Analytes C 2 ppm: Ag, As, Ba, Be, Cd, Co, Cr, Cu, Hg, Mn, Ni, Pb, Sb, Se, Tl, V, Zn - RV010800-100N</image:title>
      <image:caption>VeriSpec Interference Check, Analytes C 2 ppm: Ag, As, Ba, Be, Cd, Co, Cr, Cu, Hg, Mn, Ni, Pb, Sb, Se, Tl, V, Zn - RV010800-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-analytes-c-2-ppm-ag-as-ba-be-cd-co-cr-cu-hg-mn-ni-pb-sb-se-tl-v-zn-rv010800-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_c7efd1ee-c33c-4eda-b184-252efbb3a75f.jpg?v=1704981286</image:loc>
      <image:title>VeriSpec Interference Check, Analytes C 2 ppm: Ag, As, Ba, Be, Cd, Co, Cr, Cu, Hg, Mn, Ni, Pb, Sb, Se, Tl, V, Zn - RV010800-500N</image:title>
      <image:caption>VeriSpec Interference Check, Analytes C 2 ppm: Ag, As, Ba, Be, Cd, Co, Cr, Cu, Hg, Mn, Ni, Pb, Sb, Se, Tl, V, Zn - RV010800-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-12-10-ppm-b-ge-mo-nb-p-re-s-si-ta-ti-w-zr-manufactured-and-tested-in-an-iso-17025guide-34-rv010802-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_e0a276f9-836a-4755-9a2b-2c4ea659f163.jpg?v=1737683264</image:loc>
      <image:title>VeriSpec Multi-Element Standard 12 10 ppm: B, Ge, Mo, Nb, P, Re, S, Si, Ta, Ti, W Zr 34 - RV010802-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 12 10 ppm: B, Ge, Mo, Nb, P, Re, S, Si, Ta, Ti, W Zr 34 - RV010802-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-8-50-ppm-k-10-ppm-la-li-mn-na-sr-1-ppm-ba-ca-manufactured-and-tested-in-an-iso-17025guide-34-rv010803-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_7bfe3fc4-b04f-4446-9fb4-78e6f1b68787.jpg?v=1737683265</image:loc>
      <image:title>VeriSpec Multi-Element Standard 8 50 ppm K; 10 ppm La, Li, Mn, Na, Sr; 1 ppm Ba, Ca 34 - RV010803-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 8 50 ppm K; 10 ppm La, Li, Mn, Na, Sr; 1 ppm Ba, Ca 34 - RV010803-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-8-50-ppm-k-10-ppm-la-li-mn-na-sr-1-ppm-ba-ca-manufactured-and-tested-in-an-iso-17025guide-34-rv010803-250n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_906f4ae0-d6f7-4928-9200-7d94c30a7f07.jpg?v=1704981292</image:loc>
      <image:title>VeriSpec Multi-Element Standard 8 50 ppm K; 10 ppm La, Li, Mn, Na, Sr; 1 ppm Ba, Ca 34 - RV010803-250N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 8 50 ppm K; 10 ppm La, Li, Mn, Na, Sr; 1 ppm Ba, Ca 34 - RV010803-250N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-solution-11-100-ppm-k-p-s-20-ppm-as-la-li-mn-mo-na-ni-sc-manufactured-and-tested-in-an-iso-17025gu-rv010804-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_8bb2a427-037f-481e-bedf-8006fb86634a.jpg?v=1704981294</image:loc>
      <image:title>VeriSpec Multi-Element Solution 11 100 ppm: K, P, S; 20 ppm As, La, Li, Mn, Mo, Na, Ni, Sc  Gu - RV010804-100N</image:title>
      <image:caption>VeriSpec Multi-Element Solution 11 100 ppm: K, P, S; 20 ppm As, La, Li, Mn, Mo, Na, Ni, Sc  Gu - RV010804-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-solution-12-101-ppm-k-p-s-20-ppm-as-la-li-mn-mo-na-ni-sc-1-ppm-ca-manufactured-and-tested-in-an-is-rv010806-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_3fd4e5ed-4e44-4b57-b2ed-6be7e524d1e0.jpg?v=1704981297</image:loc>
      <image:title>VeriSpec Multi-Element Solution 12 101 ppm: K, P, S; 20 ppm As, La, Li, Mn, Mo, Na, Ni, Sc; 1 ppm Ca  Manufactured and Tested in an IS - RV010806-500N</image:title>
      <image:caption>VeriSpec Multi-Element Solution 12 101 ppm: K, P, S; 20 ppm As, La, Li, Mn, Mo, Na, Ni, Sc; 1 ppm Ca  Manufactured and Tested in an IS - RV010806-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-3-low-uv-10-ppm-al-p-s-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010807-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_f1cc1801-5104-401f-8629-a94ddee627e9.jpg?v=1704981299</image:loc>
      <image:title>VeriSpec Multi-Element Standard 3, Low UV 10 ppm: Al, P, S  - RV010807-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 3, Low UV 10 ppm: Al, P, S  - RV010807-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-3-low-uv-10-ppm-al-p-s-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010807-250n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_73d6efed-b691-44d5-bff1-ccc80d82cfa2.jpg?v=1704981300</image:loc>
      <image:title>VeriSpec Multi-Element Standard 3, Low UV 10 ppm: Al, P, S  - RV010807-250N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 3, Low UV 10 ppm: Al, P, S  - RV010807-250N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-3-low-uv-10-ppm-al-p-s-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010807-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_9d2f16a8-d613-4302-9f89-f74fc1d10329.jpg?v=1704981303</image:loc>
      <image:title>VeriSpec Multi-Element Standard 3, Low UV 10 ppm: Al, P, S  - RV010807-500N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 3, Low UV 10 ppm: Al, P, S  - RV010807-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-calcium-standard-10-ppm-for-stray-light-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010810-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_eb8330c5-b5d8-46da-92c5-e52cba80bb25.jpg?v=1704981305</image:loc>
      <image:title>VeriSpec Calcium Standard 10 ppm For Stray Light  - RV010810-500N</image:title>
      <image:caption>VeriSpec Calcium Standard 10 ppm For Stray Light  - RV010810-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-spike-solution-18-200-ppm-al-ba-se-tl-100-ppm-fe-50-ppm-co-mn-ni-pb-sb-v-zn-25-ppm-cu-20-ppm-cr-5-ppm-rv010811-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_6ab329ef-5c0d-4d00-91e2-d9988d74b5db.jpg?v=1704981307</image:loc>
      <image:title>VeriSpec Spike Solution 18 200 ppm: Al, Ba, Se, Tl; 100 ppm Fe; 50 ppm: Co, Mn, Ni, Pb, Sb, V, Zn; 25 ppm Cu, 20 ppm Cr; 5 ppm - RV010811-100N</image:title>
      <image:caption>VeriSpec Spike Solution 18 200 ppm: Al, Ba, Se, Tl; 100 ppm Fe; 50 ppm: Co, Mn, Ni, Pb, Sb, V, Zn; 25 ppm Cu, 20 ppm Cr; 5 ppm - RV010811-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-spike-solution-17-500-ppm-fe-250-ppm-ba-zn-100-ppm-co-cr-cu-mn-ni-sb-v-50-ppm-as-pb-25-ppm-ag-be-cd-se-rv010812-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_b9a8122d-7cb2-4e1a-9a6b-bf16c5abaa58.jpg?v=1704981309</image:loc>
      <image:title>VeriSpec Spike Solution 17 500 ppm Fe; 250 ppm Ba, Zn; 100 ppm: Co, Cr, Cu, Mn, Ni, Sb, V; 50 ppm As, Pb; 25 ppm Ag, Be, Cd, Se - RV010812-100N</image:title>
      <image:caption>VeriSpec Spike Solution 17 500 ppm Fe; 250 ppm Ba, Zn; 100 ppm: Co, Cr, Cu, Mn, Ni, Sb, V; 50 ppm As, Pb; 25 ppm Ag, Be, Cd, Se - RV010812-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-spike-solution-ii-soil-250-ppm-ba-cr-cu-zn-150-ppm-v-125-ppm-ni-100-ppm-co-pb-sb-50-ppm-as-cd-25-ppm-ag-be-se-rv010813-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_502fdae7-ccc5-471f-b53f-ccc752d96202.jpg?v=1704981312</image:loc>
      <image:title>VeriSpec Spike Solution II, Soil 250 ppm Ba, Cr, Cu, Zn; 150 ppm V, 125 ppm Ni; 100 ppm Co, Pb, Sb; 50 ppm As, Cd; 25 ppm Ag, Be, Se, - RV010813-100N</image:title>
      <image:caption>VeriSpec Spike Solution II, Soil 250 ppm Ba, Cr, Cu, Zn; 150 ppm V, 125 ppm Ni; 100 ppm Co, Pb, Sb; 50 ppm As, Cd; 25 ppm Ag, Be, Se, - RV010813-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-spike-solution-iii-200-ppm-al-ba-50-ppm-co-mn-ni-v-zn-25-ppm-cu-20-ppm-cr-10-ppm-sb-5-ppm-be-cd-ag-tl-4-p-rv010814-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_5b491061-356c-4d6f-850f-4493be7bad4e.jpg?v=1704981314</image:loc>
      <image:title>VeriSpec Spike Solution III 200 ppm Al, Ba; 50 ppm Co, Mn, Ni, V, Zn; 25 ppm Cu, 20 ppm Cr, 10 ppm Sb; 5 ppm Be, Cd, Ag, Tl; 4 p - RV010814-100N</image:title>
      <image:caption>VeriSpec Spike Solution III 200 ppm Al, Ba; 50 ppm Co, Mn, Ni, V, Zn; 25 ppm Cu, 20 ppm Cr, 10 ppm Sb; 5 ppm Be, Cd, Ag, Tl; 4 p - RV010814-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-4-1000-ppm-al-ca-ge-mg-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010815-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_aa0bf257-f204-41bd-be03-cb35ba05f3e1.jpg?v=1704981316</image:loc>
      <image:title>VeriSpec Multi-Element Standard 4 1000 ppm: Al, Ca, Ge, Mg  - RV010815-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 4 1000 ppm: Al, Ca, Ge, Mg  - RV010815-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-4-1000-ppm-al-ca-ge-mg-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010815-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_95064d4b-a581-4c83-94a7-53975640caae.jpg?v=1704981319</image:loc>
      <image:title>VeriSpec Multi-Element Standard 4 1000 ppm: Al, Ca, Ge, Mg  - RV010815-500N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 4 1000 ppm: Al, Ca, Ge, Mg  - RV010815-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-3-1000-ppm-k-na-p-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010817-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_90300498-6e73-4897-9cff-e0518c0d8fa9.jpg?v=1704981321</image:loc>
      <image:title>VeriSpec Multi-Element Standard 3 1000 ppm: K, Na, P  - RV010817-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 3 1000 ppm: K, Na, P  - RV010817-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-3-1000-ppm-k-na-p-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010817-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_ac3f308f-0213-48b8-9a2c-4e819b5bff61.jpg?v=1704981323</image:loc>
      <image:title>VeriSpec Multi-Element Standard 3 1000 ppm: K, Na, P  - RV010817-500N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 3 1000 ppm: K, Na, P  - RV010817-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-5-1000-ppm-mo-sb-sn-w-zr-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010819-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_e25590b4-6001-41aa-a95c-5808721cb3b0.jpg?v=1704981325</image:loc>
      <image:title>VeriSpec Multi-Element Standard 5 1000 ppm: Mo, Sb, Sn, W, Zr  - RV010819-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 5 1000 ppm: Mo, Sb, Sn, W, Zr  - RV010819-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-5-1000-ppm-mo-sb-sn-w-zr-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010819-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_ea9e98ba-0d77-4993-a5e3-4e3ce63bf6a4.jpg?v=1704981328</image:loc>
      <image:title>VeriSpec Multi-Element Standard 5 1000 ppm: Mo, Sb, Sn, W, Zr  - RV010819-500N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 5 1000 ppm: Mo, Sb, Sn, W, Zr  - RV010819-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-17-1000-ppm-as-ba-cd-be-cr-co-cu-la-pb-li-mn-ni-sc-sr-v-y-zn-manufactured-and-teste-rv010821-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_ccfe1fbe-827b-4e4b-b70a-6a4c93619577.jpg?v=1704981329</image:loc>
      <image:title>VeriSpec Multi-Element Standard 17 1000 ppm: As, Ba, Cd, Be, Cr, Co, Cu, La, Pb, Li, Mn, Ni, Sc, Sr, V, Y, Zn  Manufactured and Teste - RV010821-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 17 1000 ppm: As, Ba, Cd, Be, Cr, Co, Cu, La, Pb, Li, Mn, Ni, Sc, Sr, V, Y, Zn  Manufactured and Teste - RV010821-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-17-1000-ppm-as-ba-cd-be-cr-co-cu-la-pb-li-mn-ni-sc-sr-v-y-zn-manufactured-and-teste-rv010821-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_f0701f84-91ca-46b0-bd53-e8af68d65122.jpg?v=1704981331</image:loc>
      <image:title>VeriSpec Multi-Element Standard 17 1000 ppm: As, Ba, Cd, Be, Cr, Co, Cu, La, Pb, Li, Mn, Ni, Sc, Sr, V, Y, Zn  Manufactured and Teste - RV010821-500N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 17 1000 ppm: As, Ba, Cd, Be, Cr, Co, Cu, La, Pb, Li, Mn, Ni, Sc, Sr, V, Y, Zn  Manufactured and Teste - RV010821-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-qc-standard-23-1000-ppm-ag-al-b-ba-bi-ca-cd-co-cr-cu-fe-ga-in-k-li-mg-mn-na-ni-pb-sr-tl-zn-rv010823-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_1273fa29-6d59-4808-a215-f48b1f51b4bf.jpg?v=1737683266</image:loc>
      <image:title>VeriSpec QC Standard 23 1000 ppm Ag, Al, B, Ba, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, In, K, Li, Mg, Mn, Na, Ni, Pb, Sr, Tl, Zn  - RV010823-100N</image:title>
      <image:caption>VeriSpec QC Standard 23 1000 ppm Ag, Al, B, Ba, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, In, K, Li, Mg, Mn, Na, Ni, Pb, Sr, Tl, Zn  - RV010823-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-24-100-ppm-al-b-ba-be-bi-ca-cd-co-cr-cu-fe-ga-k-li-mg-mn-na-ni-pb-se-sr-te-tl-z-rv010824-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_64563cb5-a316-4a13-ab7a-8da764d6b7a9.jpg?v=1704981335</image:loc>
      <image:title>VeriSpec Multi-Element Standard 24 100 ppm: Al, B, Ba, Be, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, K, Li, Mg, Mn, Na, Ni, Pb, Se, Sr, Te, Tl, Z - RV010824-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 24 100 ppm: Al, B, Ba, Be, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, K, Li, Mg, Mn, Na, Ni, Pb, Se, Sr, Te, Tl, Z - RV010824-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-4-100-ppm-as-be-pb-cd-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010825-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_6d3f3a57-5f34-413b-b587-b2c9f009f553.jpg?v=1704981337</image:loc>
      <image:title>VeriSpec Multi-Element Standard 4 100 ppm As, Be, Pb, Cd  - RV010825-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 4 100 ppm As, Be, Pb, Cd  - RV010825-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-23-15k-ppm-mg-8k-ppm-na-35k-ppm-ca-3000-ppm-k-100-ppb-b-fe-mo-sr-50-ppb-as-ba-ni-v-zn-rv010826-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_4a0ad5a4-c2c8-49e2-b001-13e5d6b41b18.jpg?v=1737683267</image:loc>
      <image:title>VeriSpec Multi-Element Standard 23 15K ppm Mg, 8K ppm Na, 3.5K ppm Ca, 3000 ppm K; 100 ppb B, Fe, Mo, Sr; 50 ppb As, Ba, Ni, V, Zn - RV010826-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 23 15K ppm Mg, 8K ppm Na, 3.5K ppm Ca, 3000 ppm K; 100 ppb B, Fe, Mo, Sr; 50 ppb As, Ba, Ni, V, Zn - RV010826-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-single-element-standard-8-mgl-hg-in-hno-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010827-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_758e5661-7852-48f3-93c2-e3cbcf3aeb9d.jpg?v=1704981342</image:loc>
      <image:title>VeriSpec Single Element Standard, 8 mg/L Hg in HNO? - RV010827-100N</image:title>
      <image:caption>VeriSpec Single Element Standard, 8 mg/L Hg in HNO? - RV010827-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-6-2500-ppm-zn-900-ppm-pb-cr-800-ppm-cu-200-ppm-ni-10-ppm-cd-manufactured-and-tested-in-an-iso-1-rv010828-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_1bb31761-9bdf-4988-9737-6002b1697940.jpg?v=1704981344</image:loc>
      <image:title>VeriSpec Multi-Element Standard 6 2500 ppm Zn; 900 ppm Pb, Cr; 800 ppm Cu, 200 ppm Ni, 10 ppm Cd  Manufactured and Tested in an ISO 1 - RV010828-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 6 2500 ppm Zn; 900 ppm Pb, Cr; 800 ppm Cu, 200 ppm Ni, 10 ppm Cd  Manufactured and Tested in an ISO 1 - RV010828-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-single-element-standard-5-mgl-hg-in-hno-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010829-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_8151d7a3-b0ec-4dd9-a146-f60dd8cde586.jpg?v=1737683267</image:loc>
      <image:title>VeriSpec Single Element Standard, 5 mg/L Hg in HNO? - RV010829-100N</image:title>
      <image:caption>VeriSpec Single Element Standard, 5 mg/L Hg in HNO? - RV010829-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-14-500-ppm-al-250-ppm-v-100-ppm-as-be-co-cr-cu-fe-mn-ni-pb-zn-25-ppm-cd-se-manufactured-rv010830-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_0d70c085-f35c-4bf5-a308-31407086b4a9.jpg?v=1737683268</image:loc>
      <image:title>VeriSpec Multi-Element Standard 14 500 ppm Al, 250 ppm V; 100 ppm As, Be, Co, Cr, Cu, Fe, Mn, Ni, Pb, Zn; 25 ppm Cd, Se  Manufactured - RV010830-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 14 500 ppm Al, 250 ppm V; 100 ppm As, Be, Co, Cr, Cu, Fe, Mn, Ni, Pb, Zn; 25 ppm Cd, Se  Manufactured - RV010830-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-7-100-ppm-hf-ir-sb-sn-ta-tl-zr-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010831-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_7000fbab-1d74-44cb-b895-19ab3be4811d.jpg?v=1704981350</image:loc>
      <image:title>VeriSpec Multi-Element Standard 7 100 ppm: Hf, Ir, Sb, Sn, Ta, Tl, Zr  - RV010831-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 7 100 ppm: Hf, Ir, Sb, Sn, Ta, Tl, Zr  - RV010831-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-instrument-calibration-standard-20-20-ppm-ag-al-as-ba-be-cd-co-cr-cu-mn-mo-ni-pb-sb-se-th-tl-u-v-zn-manufactured-rv010832-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_1d288bf8-b682-417d-b424-7727e1a34529.jpg?v=1704981353</image:loc>
      <image:title>VeriSpec Instrument Calibration Standard 20 20 ppm: Ag, Al, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Sb, Se, Th, Tl, U, V, Zn  Manufactured - RV010832-100N</image:title>
      <image:caption>VeriSpec Instrument Calibration Standard 20 20 ppm: Ag, Al, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Sb, Se, Th, Tl, U, V, Zn  Manufactured - RV010832-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-instrument-calibration-standard-26-100-ppm-ag-al-as-ba-be-ca-cd-co-cr-cu-fe-k-mg-mn-mo-na-ni-pb-sb-se-sn-sr-ti-rv010833-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_c7808329-9b58-4013-9f5b-522a3f989cf7.jpg?v=1737683269</image:loc>
      <image:title>VeriSpec Instrument Calibration Standard 26 100 ppm: Ag, Al, As, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, K, Mg, Mn, Mo, Na, Ni, Pb, Sb, Se, Sn, Sr, Ti, - RV010833-100N</image:title>
      <image:caption>VeriSpec Instrument Calibration Standard 26 100 ppm: Ag, Al, As, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, K, Mg, Mn, Mo, Na, Ni, Pb, Sb, Se, Sn, Sr, Ti, - RV010833-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-instrument-calibration-standard-5-1000-ppm-ca-fe-k-mg-na-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010834-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_d2d51aa8-f7eb-4c2b-b24f-b1b770328bf4.jpg?v=1704981357</image:loc>
      <image:title>VeriSpec Instrument Calibration Standard 5 1000 ppm Ca, Fe, K, Mg, Na  - RV010834-100N</image:title>
      <image:caption>VeriSpec Instrument Calibration Standard 5 1000 ppm Ca, Fe, K, Mg, Na  - RV010834-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icp-ms-tuning-solution-12-10-ppm-ba-be-ce-co-in-li-mg-pb-rh-tl-u-y-manufactured-and-tested-in-an-iso-17025guide-rv010835-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_db4385c1-27e2-4a8c-b5cd-fbb181438cb9.jpg?v=1737683270</image:loc>
      <image:title>VeriSpec ICP-MS Tuning Solution 12 10 ppm: Ba, Be, Ce, Co, In, Li, Mg, Pb, Rh, Tl, U, Y - RV010835-100N</image:title>
      <image:caption>VeriSpec ICP-MS Tuning Solution 12 10 ppm: Ba, Be, Ce, Co, In, Li, Mg, Pb, Rh, Tl, U, Y - RV010835-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-environmental-standard-26-100-ppm-ag-al-as-ba-be-ca-cd-co-cr-cu-fe-k-mg-mn-mo-na-ni-pb-sb-se-sn-sr-ti-rv010836-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_dbf10ae2-b535-4ed3-a238-7dcf832aecd8.jpg?v=1737683270</image:loc>
      <image:title>VeriSpec Multi-Element Environmental Standard 26 100 ppm: Ag, Al, As, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, K, Mg, Mn, Mo, Na, Ni, Pb, Sb, Se, Sn, Sr, Ti, - RV010836-100N</image:title>
      <image:caption>VeriSpec Multi-Element Environmental Standard 26 100 ppm: Ag, Al, As, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, K, Mg, Mn, Mo, Na, Ni, Pb, Sb, Se, Sn, Sr, Ti, - RV010836-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-cdrl-standard-22-500-ppm-ca-k-mg-na-20-ppm-al-ba-10-ppm-fe-6-ppm-sb-5-ppm-co-v-4-ppm-ni-25-ppm-cu-2-ppm-rv010837-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_8b42a32e-9906-4359-ae24-128c035de61b.jpg?v=1704981368</image:loc>
      <image:title>VeriSpec CDRL Standard 22 500 ppm: Ca, K, Mg, Na; 20 ppm Al, Ba; 10 ppm Fe, 6 ppm Sb; 5 ppm Co, V; 4 ppm Ni, 2.5 ppm Cu, 2 ppm - RV010837-100N</image:title>
      <image:caption>VeriSpec CDRL Standard 22 500 ppm: Ca, K, Mg, Na; 20 ppm Al, Ba; 10 ppm Fe, 6 ppm Sb; 5 ppm Co, V; 4 ppm Ni, 2.5 ppm Cu, 2 ppm - RV010837-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-single-element-environmental-standard-10-mgl-hg-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010838-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_aef3854b-2773-4b45-9a40-cce535f3e3aa.jpg?v=1737683271</image:loc>
      <image:title>VeriSpec Single Element Environmental Standard 10 mg/L Hg  - RV010838-100N</image:title>
      <image:caption>VeriSpec Single Element Environmental Standard 10 mg/L Hg  - RV010838-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-solution-a-21215-ppm-cl-3000-ppm-ca-2500-ppm-fe-na-2000-ppm-c-1000-ppm-al-k-mg-p-s-20-ppm-mo-ti-m-rv010839-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_b676b187-60f2-4000-b09c-bd501a522b47.jpg?v=1704981372</image:loc>
      <image:title>VeriSpec Interference Check Solution A 21,215 ppm Cl, 3000 ppm Ca; 2500 ppm Fe, Na; 2000 ppm C; 1000 ppm Al, K, Mg, P, S; 20 ppm Mo, Ti  M - RV010839-100N</image:title>
      <image:caption>VeriSpec Interference Check Solution A 21,215 ppm Cl, 3000 ppm Ca; 2500 ppm Fe, Na; 2000 ppm C; 1000 ppm Al, K, Mg, P, S; 20 ppm Mo, Ti  M - RV010839-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-interference-check-solution-analytes-b-20-ppm-co-cr-cu-mn-nu-v-10-ppm-as-cd-se-zn-5-ppm-ag-manufactured-and-tested-in-an-iso-1-rv010840-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_5695cabb-4a25-4f5a-8007-94126ba4a3a8.jpg?v=1704981374</image:loc>
      <image:title>VeriSpec Interference Check Solution, Analytes B 20 ppm: Co, Cr, Cu, Mn, Nu, V; 10 ppm As, Cd, Se, Zn; 5 ppm Ag - RV010840-100N</image:title>
      <image:caption>VeriSpec Interference Check Solution, Analytes B 20 ppm: Co, Cr, Cu, Mn, Nu, V; 10 ppm As, Cd, Se, Zn; 5 ppm Ag  Manufactured and Tested in an ISO 1 - RV010840-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-memory-test-21-1000-ppm-al-ca-fe-k-mg-na-20-ppm-ag-as-ba-be-cd-co-cr-cu-mn-ni-pb-se-tl-v-zn-rv010841-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_b0e6dd51-e06c-40b5-88f4-ea6400e7b67f.jpg?v=1704981376</image:loc>
      <image:title>VeriSpec Multi-Element Standard, Memory Test 21 1000 ppm: Al, Ca, Fe, K, Mg, Na; 20 ppm Ag, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Ni, Pb, Se, Tl, V, Zn - RV010841-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard, Memory Test 21 1000 ppm: Al, Ca, Fe, K, Mg, Na; 20 ppm Ag, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Ni, Pb, Se, Tl, V, Zn - RV010841-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-memory-test-7-7200-ppm-cl-2000-ppm-c-1000-ppm-p-s-20-ppm-mo-sb-ti-manufactured-and-tested-in-an-iso-17025-rv010842-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_87d50103-55a2-41ff-b675-f849ce4c1fc5.jpg?v=1704981378</image:loc>
      <image:title>VeriSpec Multi-Element Standard, Memory Test 7 7200 ppm Cl, 2000 ppm C; 1000 ppm P, S; 20 ppm Mo, Sb, Ti - RV010842-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard, Memory Test 7 7200 ppm Cl, 2000 ppm C; 1000 ppm P, S; 20 ppm Mo, Sb, Ti   - RV010842-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-single-element-environmental-standard-100-mgl-hg-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010843-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_9e8751b8-9587-49ad-849d-276d09fdc233.jpg?v=1704981379</image:loc>
      <image:title>VeriSpec Single Element Environmental Standard 100 mg/L Hg  - RV010843-100N</image:title>
      <image:caption>VeriSpec Single Element Environmental Standard 100 mg/L Hg  - RV010843-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-tclp-standard-5-ppm-cd-se-25-ppm-ag-as-cr-pb-100-ppm-hg-500-ppm-ba-manufactured-and-tested-in-an-iso-1702-rv010844-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_5f770cec-e24a-4e06-91ee-66a7bb7d95b1.jpg?v=1704981381</image:loc>
      <image:title>VeriSpec TCLP Standard 5 ppm Cd, Se; 25 ppm Ag, As, Cr, Pb; 100 ppm Hg; 500 ppm Ba  Manufactured and Tested in an ISO 1702 - RV010844-100N</image:title>
      <image:caption>VeriSpec TCLP Standard 5 ppm Cd, Se; 25 ppm Ag, As, Cr, Pb; 100 ppm Hg; 500 ppm Ba  Manufactured and Tested in an ISO 1702 - RV010844-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-tclp-standard-5-ppm-cd-se-25-ppm-ag-as-cr-pb-100-ppm-hg-500-ppm-ba-manufactured-and-tested-in-an-iso-1702-rv010844-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_734f28d9-45f6-4297-ad87-a679e28b8607.jpg?v=1704981383</image:loc>
      <image:title>VeriSpec TCLP Standard 5 ppm Cd, Se; 25 ppm Ag, As, Cr, Pb; 100 ppm Hg; 500 ppm Ba  Manufactured and Tested in an ISO 1702 - RV010844-500N</image:title>
      <image:caption>VeriSpec TCLP Standard 5 ppm Cd, Se; 25 ppm Ag, As, Cr, Pb; 100 ppm Hg; 500 ppm Ba  Manufactured and Tested in an ISO 1702 - RV010844-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-single-element-standard-10-mgl-se-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010846-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_b52a9254-df8e-4ba5-b2c8-583e9bc59990.jpg?v=1704981384</image:loc>
      <image:title>VeriSpec Single Element Standard, 10 mg/L Se - RV010846-100N</image:title>
      <image:caption>VeriSpec Single Element Standard, 10 mg/L Se - RV010846-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-primary-drinking-water-metals-100-ppm-ba-10-ppm-ag-as-cr-hg-pb-5-ppm-cd-se-manufactured-and-tested-in-an-iso-17025guide-rv010850-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_8590f9da-ef1d-451f-8ecc-0ebc947ac7e3.jpg?v=1704981390</image:loc>
      <image:title>VeriSpec Primary Drinking Water Metals 100 ppm Ba; 10 ppm Ag, As, Cr, Hg, pb; 5 ppm Cd, Se - RV010850-100N</image:title>
      <image:caption>VeriSpec Primary Drinking Water Metals 100 ppm Ba; 10 ppm Ag, As, Cr, Hg, pb; 5 ppm Cd, Se - RV010850-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-secondary-drnking-water-metals-500-ppm-zn-100-ppn-cu-30-ppm-fe-5-ppm-mn-manufactured-and-tested-in-an-iso-17025guide-34-facil-rv010851-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_d2503654-c14c-4493-9e38-33a9af0191a7.jpg?v=1704981392</image:loc>
      <image:title>VeriSpec Secondary Drnking Water Metals 500 ppm Zn, 100 ppn Cu, 30 ppm Fe, 5 ppm Mn - RV010851-100N</image:title>
      <image:caption>VeriSpec Secondary Drnking Water Metals 500 ppm Zn, 100 ppn Cu, 30 ppm Fe, 5 ppm Mn 34 Facil - RV010851-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-trace-metals-standard-i-10-ppm-hg-25-ppm-cd-se-100-ppm-as-be-co-cr-cu-fe-mn-ni-pb-zn-250-ppm-v-500-ppm-al-m-rv010852-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_47f6eaf0-8a59-4773-944d-950074c03b0b.jpg?v=1737683272</image:loc>
      <image:title>VeriSpec Trace Metals Standard I 10 ppm Hg, 25 ppm Cd, Se; 100 ppm: As, Be, Co, Cr, Cu, Fe, Mn, Ni, Pb, Zn; 250 ppm V, 500 ppm Al  M - RV010852-100N</image:title>
      <image:caption>VeriSpec Trace Metals Standard I 10 ppm Hg, 25 ppm Cd, Se; 100 ppm: As, Be, Co, Cr, Cu, Fe, Mn, Ni, Pb, Zn; 250 ppm V, 500 ppm Al  M - RV010852-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-trace-metals-standard-ii-20-ppm-sb-20-ppm-tl-10-ppm-ag-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010853-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_dbed8e91-6d70-4ac3-86b8-5cd91fde01ca.jpg?v=1704981395</image:loc>
      <image:title>VeriSpec Trace Metals Standard II 20 ppm Sb, 20 ppm Tl, 10 ppm Ag  - RV010853-100N</image:title>
      <image:caption>VeriSpec Trace Metals Standard II 20 ppm Sb, 20 ppm Tl, 10 ppm Ag  - RV010853-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-trace-metals-standard-iii-500-ppm-ba-ca-mo-na-100-ppm-k-mg-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010854-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_9bcdc01b-9c15-4234-b093-2f4a615d8a5a.jpg?v=1704981397</image:loc>
      <image:title>VeriSpec Trace Metals Standard III 500 ppm: Ba, Ca, Mo, Na; 100 ppm K, Mg  - RV010854-100N</image:title>
      <image:caption>VeriSpec Trace Metals Standard III 500 ppm: Ba, Ca, Mo, Na; 100 ppm K, Mg  - RV010854-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-alternate-metals-i-20-ppm-al-fe-v-10-ppm-co-cu-mn-ni-zn-5-ppm-be-sb-tl-manufactured-and-tested-in-an-iso-rv010855-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_265e7b06-84ae-4472-b9c1-11076faabdfd.jpg?v=1704981399</image:loc>
      <image:title>VeriSpec Alternate Metals I 20 ppm: Al, Fe, V; 10 ppm Co, Cu, Mn, Ni, Zn; 5 ppm: Be, Sb, Tl  Manufactured and Tested in an ISO - RV010855-100N</image:title>
      <image:caption>VeriSpec Alternate Metals I 20 ppm: Al, Fe, V; 10 ppm Co, Cu, Mn, Ni, Zn; 5 ppm: Be, Sb, Tl  Manufactured and Tested in an ISO - RV010855-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-alternate-metals-ii-500-ppm-ca-na-100-ppm-k-mg-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010856-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_4237319d-7139-4425-aa9c-4d2fa27cadd3.jpg?v=1737683273</image:loc>
      <image:title>VeriSpec Alternate Metals II 500 ppm: Ca, Na; 100 ppm K, Mg  - RV010856-100N</image:title>
      <image:caption>VeriSpec Alternate Metals II 500 ppm: Ca, Na; 100 ppm K, Mg  - RV010856-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-alternate-metals-ii-500-ppm-ca-na-100-ppm-k-mg-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010857-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_9615acf1-ab4c-4212-8662-e89f149c1bd7.jpg?v=1737683274</image:loc>
      <image:title>VeriSpec Alternate Metals II 500 ppm: Ca, Na; 100 ppm K, Mg  - RV010857-500N</image:title>
      <image:caption>VeriSpec Alternate Metals II 500 ppm: Ca, Na; 100 ppm K, Mg  - RV010857-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-internal-calibration-standard-7-10-ppm-li-sc-y-in-tb-bi-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010858-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_3a5046fd-1a98-4e78-9e65-0d7841870ed3.jpg?v=1737683274</image:loc>
      <image:title>VeriSpec Internal Calibration Standard 7 10 ppm: ?Li, Sc, Y, In, Tb, Bi  - RV010858-100N</image:title>
      <image:caption>VeriSpec Internal Calibration Standard 7 10 ppm: ?Li, Sc, Y, In, Tb, Bi  - RV010858-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-internal-calibration-standard-7-10-ppm-li-sc-y-in-tb-bi-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010858-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_90ef46f6-9fd2-46e9-aa70-e12378bc0d9f.jpg?v=1737683275</image:loc>
      <image:title>VeriSpec Internal Calibration Standard 7 10 ppm: ?Li, Sc, Y, In, Tb, Bi  - RV010858-500N</image:title>
      <image:caption>VeriSpec Internal Calibration Standard 7 10 ppm: ?Li, Sc, Y, In, Tb, Bi  - RV010858-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-17-10-ppm-ce-dy-er-eu-gd-ho-la-lu-nd-pr-sm-sc-tb-th-tm-y-yb-manufactured-and-tested-rv010859-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_31340486-1b0b-43e5-9d28-bc9dcd81edd8.jpg?v=1737683276</image:loc>
      <image:title>VeriSpec Multi-Element Standard 17 10 ppm: Ce, Dy,  Er, Eu, Gd, Ho, La, Lu, Nd, Pr, Sm, Sc, Tb, Th, Tm, Y, Yb - RV010859-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 17 10 ppm: Ce, Dy,  Er, Eu, Gd, Ho, La, Lu, Nd, Pr, Sm, Sc, Tb, Th, Tm, Y, Yb  Manufactured and Tested - RV010859-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-29-10-ppm-al-ag-as-ba-be-bi-ca-cd-co-cr-cs-cu-fe-ga-in-k-li-mg-mn-na-ni-pb-rb-s-rv010860-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_70d676bc-364c-4e8b-97ee-af2f2c46f49b.jpg?v=1737683276</image:loc>
      <image:title>VeriSpec Multi-Element Standard 29 10 ppm: Al, Ag, As, Ba, Be, Bi, Ca, Cd, Co, Cr, Cs, Cu, Fe, Ga, In, K, Li, Mg, Mn, Na, Ni, Pb, Rb, S - RV010860-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 29 10 ppm: Al, Ag, As, Ba, Be, Bi, Ca, Cd, Co, Cr, Cs, Cu, Fe, Ga, In, K, Li, Mg, Mn, Na, Ni, Pb, Rb, S - RV010860-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-internal-calibration-standard-7-10-ppm-bi-ho-in-li-sc-tb-y-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010862-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_5d17d846-5f2a-484d-bcdd-0d0b02b62131.jpg?v=1737683277</image:loc>
      <image:title>VeriSpec Internal Calibration Standard 7 10 ppm: Bi, Ho, In, ?Li, Sc, Tb, Y  - RV010862-100N</image:title>
      <image:caption>VeriSpec Internal Calibration Standard 7 10 ppm: Bi, Ho, In, ?Li, Sc, Tb, Y  - RV010862-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-9-10-ppm-be-bi-ce-co-in-mg-ni-pb-u-manufactured-and-tested-in-an-iso-17025guide-34-facilit-rv010864-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_02e3739b-e799-453a-9b8f-612ac9a8196c.jpg?v=1704981421</image:loc>
      <image:title>VeriSpec Multi-Element Standard 9 10 ppm: Be, Bi, Ce, Co, In, Mg, Ni, Pb, U 34 Facilit - RV010864-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 9 10 ppm: Be, Bi, Ce, Co, In, Mg, Ni, Pb, U 34 Facilit - RV010864-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-30-10-ppm-ag-al-as-ba-be-bi-ca-cd-co-cr-cs-cu-fe-ga-hg-in-k-li-mg-mn-na-ni-pb-r-rv010865-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_10c16a5b-53ed-494f-9ff4-a08f78b35014.jpg?v=1737683278</image:loc>
      <image:title>VeriSpec Multi-Element Standard 30 10 ppm: Ag, Al, As, Ba, Be, Bi, Ca, Cd, Co, Cr, Cs, Cu, Fe, Ga, Hg, In, K, Li, Mg, Mn, Na, Ni, Pb, R - RV010865-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 30 10 ppm: Ag, Al, As, Ba, Be, Bi, Ca, Cd, Co, Cr, Cs, Cu, Fe, Ga, Hg, In, K, Li, Mg, Mn, Na, Ni, Pb, R - RV010865-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-multi-element-standard-19-400-ppm-tl-200-ppm-bi-in-pb-150-ppm-ga-100-ppm-al-50-ppm-ag-ni-25-ppm-cr-20-ppm-cd-co-cu-rv010866-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_8605d529-2a0d-4b35-b936-4f7061341e98.jpg?v=1737683279</image:loc>
      <image:title>VeriSpec Multi-Element Standard 19 400 ppm Tl; 200 ppm Bi, In, Pb; 150 ppm Ga, 100 ppm Al; 50 ppm Ag, Ni; 25 ppm Cr; 20 ppm Cd, Co, Cu, - RV010866-100N</image:title>
      <image:caption>VeriSpec Multi-Element Standard 19 400 ppm Tl; 200 ppm Bi, In, Pb; 150 ppm Ga, 100 ppm Al; 50 ppm Ag, Ni; 25 ppm Cr; 20 ppm Cd, Co, Cu, - RV010866-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icv-standard-26-1000-ppm-ca-fe-k-mg-na-sr-10-ppm-ag-al-as-ba-be-cd-co-cr-cu-mn-mo-ni-pb-sb-se-rv010867-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_da19e070-8350-4459-a3eb-ac21525fde69.jpg?v=1704981428</image:loc>
      <image:title>VeriSpec ICV Standard 26 1000 ppm: Ca, Fe, K, Mg, Na, Sr; 10 ppm: Ag, Al, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Sb, Se, - RV010867-100N</image:title>
      <image:caption>VeriSpec ICV Standard 26 1000 ppm: Ca, Fe, K, Mg, Na, Sr; 10 ppm: Ag, Al, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Sb, Se, - RV010867-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-icv-standard-2-10-ppm-sn-ti-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010868-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_9bc2019b-d51d-42b7-9e60-2d9a35278ef6.jpg?v=1704981430</image:loc>
      <image:title>VeriSpec ICV Standard 2 10 ppm: Sn, Ti  - RV010868-100N</image:title>
      <image:caption>VeriSpec ICV Standard 2 10 ppm: Sn, Ti  - RV010868-100N</image:caption>
    </image:image>
  </url>
  <url>
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      <image:caption>VeriSpec Elan 6100 DRC Set Up Solution 12 10 ppb Ba; 1 ppb Al, Cd, Ce, cr, cu, In, Pb, Mg, Mn, Rh, Th  Manufactured and Tested in an ISO 1702 - RV010869-500N</image:caption>
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      <image:caption>VeriSpec Elan 9000/6100 ICP-MS Set Up Solution 9 10 ppb: Ba, Ce, Cd, Cu, In, Pb, Mg, Rh, U 34 Facilit - RV010871-100N</image:caption>
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    <changefreq>daily</changefreq>
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      <image:caption>VeriSpec Elan 6000/5000 Plasma Solution 11 10 ppb: Ba, Cd, Ce, Cu, Ge, Pb, Mg, Rh, Sc, Tb, Tl - RV010875-500N</image:caption>
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      <image:caption>VeriSpec Elan DRC Plus Tuning Solution II 10 ppb: Ba; 1 ppb: Be, Ce, Co, In, Fe, Pb, Mg, Th, U - RV010878-500N</image:caption>
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      <image:caption>VeriSpec Nexion ICP-MS Calibration Standard for Set Up 8 1 ppb: Be, Ce, Fe, In, Li, Mg, Pb, U  - RV010880-500N</image:caption>
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      <image:title>VeriSpec Nexion KED ICP-MS Calibration Standard for Set Up 2 10 ppb Co, 1 ppb Ce  - RV010882-500N</image:title>
      <image:caption>VeriSpec Nexion KED ICP-MS Calibration Standard for Set Up 2 10 ppb Co, 1 ppb Ce  - RV010882-500N</image:caption>
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      <image:caption>VeriSpec Nexion 300Q ICP-MS Cell Stability Solution 4 1 ppb: Cd, Cu, Pb, Mg  - RV010884-500N</image:caption>
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      <image:caption>VeriSpec Nexion 300X ICP-MS Cell Stability Solution 9 1 ppb: Cd, Cr, Fe, In, Mg, Pb, Co, Cu, Se 34 Facilit - RV010885-500N</image:caption>
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      <image:caption>VeriSpec Nexion DRC ICP-MS Detection Limit Standard 1 ppb: Be, Ca, Co, Fe, In, U  - RV010887-100N</image:caption>
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      <image:title>VeriSpec Nexion KED ICP-MS Detection Limit Standard 10 ppb: As, Se, V  - RV010888-100N</image:title>
      <image:caption>VeriSpec Nexion KED ICP-MS Detection Limit Standard 10 ppb: As, Se, V  - RV010888-100N</image:caption>
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      <image:title>VeriSpec Nexion KED ICP-MS Detection Limit Standard Blank Solution  - RV010892-100N</image:title>
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      <image:caption>VeriSpec Internal Standard 6 200 ppm Sc, 20 ppm Ga; 10 ppm In, Ir, Rh, Tm 34 Faci - RV010896-100N</image:caption>
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      <image:caption>VeriSpec Multi-Element Environmental Standard 4 1000 ppm: Ca, K, Mg, Na  - RV010899-100N</image:caption>
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      <image:title>VeriSpec Acetate - CH?COO?  Standard for Ion Chromatography 1g/l in HNO - RV010900-500N</image:title>
      <image:caption>VeriSpec Acetate - CH?COO?  Standard for Ion Chromatography 1g/l in HNO - RV010900-500N</image:caption>
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      <image:title>VeriSpec Ammonium - NH?? Standard for Ion Chromatography 1000 ppm in HNO - RV010901-100N</image:title>
      <image:caption>VeriSpec Ammonium - NH?? Standard for Ion Chromatography 1000 ppm in HNO - RV010901-100N</image:caption>
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      <image:title>VeriSpec Ammonium - NH?? Standard for Ion Chromatography 1000 ppm in HNO - RV010901-250N</image:title>
      <image:caption>VeriSpec Ammonium - NH?? Standard for Ion Chromatography 1000 ppm in HNO - RV010901-250N</image:caption>
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      <image:title>VeriSpec Ammonium - NH?? Standard for Ion Chromatography 1000 ppm in HNO - RV010901-500N</image:title>
      <image:caption>VeriSpec Ammonium - NH?? Standard for Ion Chromatography 1000 ppm in HNO - RV010901-500N</image:caption>
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      <image:title>VeriSpec Ammonium (N) - NH?? f(N) Standard for Ion Chromatography 1000 ppm in HNO - RV010902-250N</image:title>
      <image:caption>VeriSpec Ammonium (N) - NH?? f(N) Standard for Ion Chromatography 1000 ppm in HNO - RV010902-250N</image:caption>
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      <image:title>VeriSpec Ammonium (N) - NH?? f(N) Standard for Ion Chromatography 1000 ppm in HNO - RV010902-500N</image:title>
      <image:caption>VeriSpec Ammonium (N) - NH?? f(N) Standard for Ion Chromatography 1000 ppm in HNO - RV010902-500N</image:caption>
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      <image:title>VeriSpec Barium - Ba²? Standard for Ion Chromatography 1000 ppm in HNO - RV010903-100N</image:title>
      <image:caption>VeriSpec Barium - Ba²? Standard for Ion Chromatography 1000 ppm in HNO - RV010903-100N</image:caption>
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      <image:title>VeriSpec Barium - Ba²? Standard for Ion Chromatography 1000 ppm in HNO - RV010903-250N</image:title>
      <image:caption>VeriSpec Barium - Ba²? Standard for Ion Chromatography 1000 ppm in HNO - RV010903-250N</image:caption>
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      <image:title>VeriSpec Barium - Ba²? Standard for Ion Chromatography 1000 ppm in HNO - RV010903-500N</image:title>
      <image:caption>VeriSpec Barium - Ba²? Standard for Ion Chromatography 1000 ppm in HNO - RV010903-500N</image:caption>
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      <image:title>VeriSpec Benzoate - C?H?COO? Standard for Ion Chromatography 1000 ppm in HNO - RV010904-100N</image:title>
      <image:caption>VeriSpec Benzoate - C?H?COO? Standard for Ion Chromatography 1000 ppm in HNO - RV010904-100N</image:caption>
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      <image:title>VeriSpec Benzoate - C?H?COO? Standard for Ion Chromatography 1000 ppm in HNO - RV010904-250N</image:title>
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      <image:title>VeriSpec Benzoate - C?H?COO? Standard for Ion Chromatography 1000 ppm in HNO - RV010904-500N</image:title>
      <image:caption>VeriSpec Benzoate - C?H?COO? Standard for Ion Chromatography 1000 ppm in HNO - RV010904-500N</image:caption>
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      <image:title>VeriSpec Bromate - BrO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010905-100N</image:title>
      <image:caption>VeriSpec Bromate - BrO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010905-100N</image:caption>
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      <image:title>VeriSpec Bromate - BrO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010905-250N</image:title>
      <image:caption>VeriSpec Bromate - BrO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010905-250N</image:caption>
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      <image:title>VeriSpec Bromate - BrO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010905-500N</image:title>
      <image:caption>VeriSpec Bromate - BrO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010905-500N</image:caption>
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      <image:title>VeriSpec Bromide - Br? Standard for Ion Chromatography 1000 ppm in HNO - RV010906-100N</image:title>
      <image:caption>VeriSpec Bromide - Br? Standard for Ion Chromatography 1000 ppm in HNO - RV010906-100N</image:caption>
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      <image:title>VeriSpec Bromide - Br? Standard for Ion Chromatography 1000 ppm in HNO - RV010906-250N</image:title>
      <image:caption>VeriSpec Bromide - Br? Standard for Ion Chromatography 1000 ppm in HNO - RV010906-250N</image:caption>
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  <url>
    <loc>https://labproinc.com/products/verispec-bromide-br-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010906-500n</loc>
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      <image:title>VeriSpec Bromide - Br? Standard for Ion Chromatography 1000 ppm in HNO - RV010906-500N</image:title>
      <image:caption>VeriSpec Bromide - Br? Standard for Ion Chromatography 1000 ppm in HNO - RV010906-500N</image:caption>
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      <image:title>VeriSpec Calcium - Ca²? Standard for Ion Chromatography 1000 ppm in HNO - RV010907-100N</image:title>
      <image:caption>VeriSpec Calcium - Ca²? Standard for Ion Chromatography 1000 ppm in HNO - RV010907-100N</image:caption>
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  <url>
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      <image:title>VeriSpec Calcium - Ca²? Standard for Ion Chromatography 1000 ppm in HNO - RV010907-250N</image:title>
      <image:caption>VeriSpec Calcium - Ca²? Standard for Ion Chromatography 1000 ppm in HNO - RV010907-250N</image:caption>
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      <image:title>VeriSpec Calcium - Ca²? Standard for Ion Chromatography 1000 ppm in HNO - RV010907-500N</image:title>
      <image:caption>VeriSpec Calcium - Ca²? Standard for Ion Chromatography 1000 ppm in HNO - RV010907-500N</image:caption>
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      <image:title>VeriSpec Cesium - Cs Standard for Ion Chromatography 1000 ppm in HNO - RV010908-100N</image:title>
      <image:caption>VeriSpec Cesium - Cs? Standard for Ion Chromatography 1000 ppm in HNO - RV010908-100N</image:caption>
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      <image:title>VeriSpec Cesium - Cs Standard for Ion Chromatography 1000 ppm in HNO - RV010908-250N</image:title>
      <image:caption>VeriSpec Cesium - Cs? Standard for Ion Chromatography 1000 ppm in HNO - RV010908-250N</image:caption>
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      <image:title>VeriSpec Cesium - Cs Standard for Ion Chromatography 1000 ppm in HNO - RV010908-500N</image:title>
      <image:caption>VeriSpec Cesium - Cs? Standard for Ion Chromatography 1000 ppm in HNO - RV010908-500N</image:caption>
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  <url>
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      <image:title>VeriSpec Chlorate - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010909-100N</image:title>
      <image:caption>VeriSpec Chlorate - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010909-100N</image:caption>
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      <image:title>VeriSpec Chlorate - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010909-250N</image:title>
      <image:caption>VeriSpec Chlorate - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010909-250N</image:caption>
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  <url>
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      <image:title>VeriSpec Chlorate - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010909-500N</image:title>
      <image:caption>VeriSpec Chlorate - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010909-500N</image:caption>
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  <url>
    <loc>https://labproinc.com/products/verispec-chlorite-clo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010910-100n</loc>
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      <image:title>VeriSpec Chlorite - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010910-100N</image:title>
      <image:caption>VeriSpec Chlorite - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010910-100N</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-chlorite-clo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010910-250c</loc>
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      <image:title>VeriSpec Chlorite - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010910-250C</image:title>
      <image:caption>VeriSpec Chlorite - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010910-250C</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-chlorite-clo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010910-250n</loc>
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      <image:title>VeriSpec Chlorite - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010910-250N</image:title>
      <image:caption>VeriSpec Chlorite - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010910-250N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-chlorite-clo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010910-500n</loc>
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      <image:title>VeriSpec Chlorite - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010910-500N</image:title>
      <image:caption>VeriSpec Chlorite - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010910-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-chloride-cl-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010911-100n</loc>
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      <image:title>VeriSpec Chloride - Cl? Standard for Ion Chromatography 1000 ppm in HNO - RV010911-100N</image:title>
      <image:caption>VeriSpec Chloride - Cl? Standard for Ion Chromatography 1000 ppm in HNO - RV010911-100N</image:caption>
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  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-chloride-cl-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010911-250n</loc>
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      <image:title>VeriSpec Chloride - Cl? Standard for Ion Chromatography 1000 ppm in HNO - RV010911-250N</image:title>
      <image:caption>VeriSpec Chloride - Cl? Standard for Ion Chromatography 1000 ppm in HNO - RV010911-250N</image:caption>
    </image:image>
  </url>
  <url>
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      <image:title>VeriSpec Chloride - Cl? Standard for Ion Chromatography 1000 ppm in HNO - RV010911-500N</image:title>
      <image:caption>VeriSpec Chloride - Cl? Standard for Ion Chromatography 1000 ppm in HNO - RV010911-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-chromium-cr-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010912-100n</loc>
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      <image:title>VeriSpec Chromium Cr??  Standard for Ion Chromatography 1000 ppm in HNO - RV010912-100N</image:title>
      <image:caption>VeriSpec Chromium Cr??  Standard for Ion Chromatography 1000 ppm in HNO - RV010912-100N</image:caption>
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  <url>
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      <image:title>VeriSpec Chromium Cr??  Standard for Ion Chromatography 1000 ppm in HNO - RV010912-250N</image:title>
      <image:caption>VeriSpec Chromium Cr??  Standard for Ion Chromatography 1000 ppm in HNO - RV010912-250N</image:caption>
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  <url>
    <loc>https://labproinc.com/products/verispec-chromium-cr-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010912-500n</loc>
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      <image:title>VeriSpec Chromium Cr??  Standard for Ion Chromatography 1000 ppm in HNO - RV010912-500N</image:title>
      <image:caption>VeriSpec Chromium Cr??  Standard for Ion Chromatography 1000 ppm in HNO - RV010912-500N</image:caption>
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  <url>
    <loc>https://labproinc.com/products/verispec-citrate-cho-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010913-100c</loc>
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      <image:title>VeriSpec Citrate - C?H?O?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010913-100C</image:title>
      <image:caption>VeriSpec Citrate - C?H?O?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010913-100C</image:caption>
    </image:image>
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  <url>
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      <image:title>VeriSpec Citrate - C?H?O?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010913-100N</image:title>
      <image:caption>VeriSpec Citrate - C?H?O?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010913-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-citrate-cho-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010913-250n</loc>
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      <image:title>VeriSpec Citrate - C?H?O?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010913-250N</image:title>
      <image:caption>VeriSpec Citrate - C?H?O?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010913-250N</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/verispec-citrate-cho-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010913-500n</loc>
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      <image:title>VeriSpec Citrate - C?H?O?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010913-500N</image:title>
      <image:caption>VeriSpec Citrate - C?H?O?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010913-500N</image:caption>
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  <url>
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      <image:title>VeriSpec Diethanolamine - H?N(C?H?OH)?? Standard for Ion Chromatography 1000 ppm in HNO - RV010914-100N</image:title>
      <image:caption>VeriSpec Diethanolamine - H?N(C?H?OH)?? Standard for Ion Chromatography 1000 ppm in HNO - RV010914-100N</image:caption>
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  <url>
    <loc>https://labproinc.com/products/verispec-diethanolamine-hnchoh-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010914-250n</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_aaaa16cb-f5d1-46cf-a511-7e767f9baab5.jpg?v=1737683323</image:loc>
      <image:title>VeriSpec Diethanolamine - H?N(C?H?OH)?? Standard for Ion Chromatography 1000 ppm in HNO - RV010914-250N</image:title>
      <image:caption>VeriSpec Diethanolamine - H?N(C?H?OH)?? Standard for Ion Chromatography 1000 ppm in HNO - RV010914-250N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-diethanolamine-hnchoh-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010914-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_04524000-c084-427f-bf43-05c02b22791b.jpg?v=1737683323</image:loc>
      <image:title>VeriSpec Diethanolamine - H?N(C?H?OH)?? Standard for Ion Chromatography 1000 ppm in HNO - RV010914-500N</image:title>
      <image:caption>VeriSpec Diethanolamine - H?N(C?H?OH)?? Standard for Ion Chromatography 1000 ppm in HNO - RV010914-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-fluoride-f-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010915-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_d0fec1c6-3381-4085-a864-71dbcba5110c.jpg?v=1737683324</image:loc>
      <image:title>VeriSpec Fluoride - F? Standard for Ion Chromatography 1000 ppm in HNO - RV010915-100N</image:title>
      <image:caption>VeriSpec Fluoride - F? Standard for Ion Chromatography 1000 ppm in HNO - RV010915-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-fluoride-f-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010915-250n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_7ff8f89e-0f5e-4e55-8b8a-7782d48895a1.jpg?v=1737683325</image:loc>
      <image:title>VeriSpec Fluoride - F? Standard for Ion Chromatography 1000 ppm in HNO - RV010915-250N</image:title>
      <image:caption>VeriSpec Fluoride - F? Standard for Ion Chromatography 1000 ppm in HNO - RV010915-250N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-fluoride-f-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010915-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_b06bf10b-c9aa-4bfa-a292-725126934761.jpg?v=1737683325</image:loc>
      <image:title>VeriSpec Fluoride - F? Standard for Ion Chromatography 1000 ppm in HNO - RV010915-500N</image:title>
      <image:caption>VeriSpec Fluoride - F? Standard for Ion Chromatography 1000 ppm in HNO - RV010915-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-formate-hcoo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010916-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_e7e6b053-f93f-4bc9-afc1-0ffeccb43073.jpg?v=1737683326</image:loc>
      <image:title>VeriSpec Formate - HCOO? Standard for Ion Chromatography 1000 ppm in HNO - RV010916-100N</image:title>
      <image:caption>VeriSpec Formate - HCOO? Standard for Ion Chromatography 1000 ppm in HNO - RV010916-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-formate-hcoo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010916-250n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_fe6ef5ff-9531-453f-a2a1-8d8f62e4f894.jpg?v=1737683327</image:loc>
      <image:title>VeriSpec Formate - HCOO? Standard for Ion Chromatography 1000 ppm in HNO - RV010916-250N</image:title>
      <image:caption>VeriSpec Formate - HCOO? Standard for Ion Chromatography 1000 ppm in HNO - RV010916-250N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-formate-hcoo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010916-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_8e490364-6bcb-4147-8c37-0c7f860a48b3.jpg?v=1737683328</image:loc>
      <image:title>VeriSpec Formate - HCOO? Standard for Ion Chromatography 1000 ppm in HNO - RV010916-500N</image:title>
      <image:caption>VeriSpec Formate - HCOO? Standard for Ion Chromatography 1000 ppm in HNO - RV010916-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-glycolate-cho-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010917-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_5834d923-3a5e-49de-9d19-0f6feba6a00c.jpg?v=1704981602</image:loc>
      <image:title>VeriSpec Glycolate - C?H?O?? Standard for Ion Chromatography 1000 ppm in HNO - RV010917-100N</image:title>
      <image:caption>VeriSpec Glycolate - C?H?O?? Standard for Ion Chromatography 1000 ppm in HNO - RV010917-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-glycolate-cho-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010917-250n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_13bb177a-0bd3-453d-93f6-0aebad9c4924.jpg?v=1704981604</image:loc>
      <image:title>VeriSpec Glycolate - C?H?O?? Standard for Ion Chromatography 1000 ppm in HNO - RV010917-250N</image:title>
      <image:caption>VeriSpec Glycolate - C?H?O?? Standard for Ion Chromatography 1000 ppm in HNO - RV010917-250N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-glycolate-cho-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010917-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_50b9d79a-39d8-4178-a2b2-89770558bf38.jpg?v=1704981606</image:loc>
      <image:title>VeriSpec Glycolate - C?H?O?? Standard for Ion Chromatography 1000 ppm in HNO - RV010917-500N</image:title>
      <image:caption>VeriSpec Glycolate - C?H?O?? Standard for Ion Chromatography 1000 ppm in HNO - RV010917-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-hydrogen-phthalate-chcooh-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010918-100c</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_bb3a4c61-a6a1-4937-a5fe-eebe7c1eed46.jpg?v=1737683328</image:loc>
      <image:title>VeriSpec Hydrogen Phthalate - C?H?(COO)?H? Standard for Ion Chromatography 1000 ppm in HNO - RV010918-100C</image:title>
      <image:caption>VeriSpec Hydrogen Phthalate - C?H?(COO)?H? Standard for Ion Chromatography 1000 ppm in HNO - RV010918-100C</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-hydrogen-phthalate-chcooh-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010918-250c</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_3563c06c-b7b1-4d29-b423-ef251515c8e7.jpg?v=1737683329</image:loc>
      <image:title>VeriSpec Hydrogen Phthalate - C?H?(COO)?H? Standard for Ion Chromatography 1000 ppm in HNO - RV010918-250C</image:title>
      <image:caption>VeriSpec Hydrogen Phthalate - C?H?(COO)?H? Standard for Ion Chromatography 1000 ppm in HNO - RV010918-250C</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-hydrogen-phthalate-chcooh-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010918-500c</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-general_500c_6a564550-f531-4246-a5ff-7a0f6cbd3b5d.png?v=1737683330</image:loc>
      <image:title>VeriSpec Hydrogen Phthalate - C?H?(COO)?H? Standard for Ion Chromatography 1000 ppm in HNO - RV010918-500C</image:title>
      <image:caption>VeriSpec Hydrogen Phthalate - C?H?(COO)?H? Standard for Ion Chromatography 1000 ppm in HNO - RV010918-500C</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-iodate-io-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010919-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_b4c5965f-b6a2-478f-a225-8922a9325f53.jpg?v=1737683330</image:loc>
      <image:title>VeriSpec Iodate - IO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010919-100N</image:title>
      <image:caption>VeriSpec Iodate - IO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010919-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-iodate-io-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010919-250n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_a0b353f0-8e83-4288-bd49-f6c4cd2b09d9.jpg?v=1737683331</image:loc>
      <image:title>VeriSpec Iodate - IO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010919-250N</image:title>
      <image:caption>VeriSpec Iodate - IO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010919-250N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-iodate-io-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010919-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_d0862868-557e-4368-9968-c0ec282cbb27.jpg?v=1737683332</image:loc>
      <image:title>VeriSpec Iodate - IO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010919-500N</image:title>
      <image:caption>VeriSpec Iodate - IO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010919-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-iodide-i-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010920-250n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_4aaec6c4-9445-49f2-9dc2-a0a8355fb5df.jpg?v=1737683332</image:loc>
      <image:title>VeriSpec Iodide - I? Standard for Ion Chromatography 1000 ppm in HNO - RV010920-250N</image:title>
      <image:caption>VeriSpec Iodide - I? Standard for Ion Chromatography 1000 ppm in HNO - RV010920-250N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-iodide-i-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010920-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_8894a48d-cbd1-4362-a04c-3545d50a2e22.jpg?v=1737683333</image:loc>
      <image:title>VeriSpec Iodide - I? Standard for Ion Chromatography 1000 ppm in HNO - RV010920-500N</image:title>
      <image:caption>VeriSpec Iodide - I? Standard for Ion Chromatography 1000 ppm in HNO - RV010920-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-lactate-chchohcoo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010921-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_5b88bd7b-975c-4eb7-9268-75a84adef3fb.jpg?v=1704981632</image:loc>
      <image:title>VeriSpec Lactate- CH?CH(OH)COO? Standard for Ion Chromatography 1000 ppm in HNO - RV010921-100N</image:title>
      <image:caption>VeriSpec Lactate- CH?CH(OH)COO? Standard for Ion Chromatography 1000 ppm in HNO - RV010921-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-lactate-chchohcoo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010921-250n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_22ccda92-7da1-44f7-b30d-15853c87f6f5.jpg?v=1704981634</image:loc>
      <image:title>VeriSpec Lactate- CH?CH(OH)COO? Standard for Ion Chromatography 1000 ppm in HNO - RV010921-250N</image:title>
      <image:caption>VeriSpec Lactate- CH?CH(OH)COO? Standard for Ion Chromatography 1000 ppm in HNO - RV010921-250N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-lactate-chchohcoo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010921-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_4354f06d-8568-40dd-9f1f-d987e3465e80.jpg?v=1704981636</image:loc>
      <image:title>VeriSpec Lactate- CH?CH(OH)COO? Standard for Ion Chromatography 1000 ppm in HNO - RV010921-500N</image:title>
      <image:caption>VeriSpec Lactate- CH?CH(OH)COO? Standard for Ion Chromatography 1000 ppm in HNO - RV010921-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-lithium-li-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010922-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_97c664c6-0cc6-4892-88a6-b77a8af6d34f.jpg?v=1737683334</image:loc>
      <image:title>VeriSpec Lithium - Li? Standard for Ion Chromatography 1000 ppm in HNO - RV010922-100N</image:title>
      <image:caption>VeriSpec Lithium - Li? Standard for Ion Chromatography 1000 ppm in HNO - RV010922-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-lithium-li-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010922-250n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_85407bd0-7410-47c2-a7cd-1a29f0c685b7.jpg?v=1737683335</image:loc>
      <image:title>VeriSpec Lithium - Li? Standard for Ion Chromatography 1000 ppm in HNO - RV010922-250N</image:title>
      <image:caption>VeriSpec Lithium - Li? Standard for Ion Chromatography 1000 ppm in HNO - RV010922-250N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-lithium-li-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010922-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_295755f2-bad3-40c7-934d-a5b13c1f7553.jpg?v=1737683335</image:loc>
      <image:title>VeriSpec Lithium - Li? Standard for Ion Chromatography 1000 ppm in HNO - RV010922-500N</image:title>
      <image:caption>VeriSpec Lithium - Li? Standard for Ion Chromatography 1000 ppm in HNO - RV010922-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-magnesium-mg-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010923-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_961f5f95-a484-463e-bb1d-cf432ceb4fa0.jpg?v=1737683336</image:loc>
      <image:title>VeriSpec Magnesium - Mg²? Standard for Ion Chromatography 1000 ppm in HNO - RV010923-100N</image:title>
      <image:caption>VeriSpec Magnesium - Mg²? Standard for Ion Chromatography 1000 ppm in HNO - RV010923-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-magnesium-mg-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010923-250n</loc>
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      <image:title>VeriSpec Magnesium - Mg²? Standard for Ion Chromatography 1000 ppm in HNO - RV010923-250N</image:title>
      <image:caption>VeriSpec Magnesium - Mg²? Standard for Ion Chromatography 1000 ppm in HNO - RV010923-250N</image:caption>
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    <loc>https://labproinc.com/products/verispec-magnesium-mg-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010923-500n</loc>
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      <image:title>VeriSpec Magnesium - Mg²? Standard for Ion Chromatography 1000 ppm in HNO - RV010923-500N</image:title>
      <image:caption>VeriSpec Magnesium - Mg²? Standard for Ion Chromatography 1000 ppm in HNO - RV010923-500N</image:caption>
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    <loc>https://labproinc.com/products/verispec-maleate-chcoo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010924-100n</loc>
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      <image:title>VeriSpec Maleate - C?H?(COO)?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010924-100N</image:title>
      <image:caption>VeriSpec Maleate - C?H?(COO)?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010924-100N</image:caption>
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    <loc>https://labproinc.com/products/verispec-maleate-chcoo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010924-250n</loc>
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      <image:title>VeriSpec Maleate - C?H?(COO)?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010924-250N</image:title>
      <image:caption>VeriSpec Maleate - C?H?(COO)?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010924-250N</image:caption>
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    <loc>https://labproinc.com/products/verispec-maleate-chcoo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010924-500n</loc>
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      <image:title>VeriSpec Maleate - C?H?(COO)?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010924-500N</image:title>
      <image:caption>VeriSpec Maleate - C?H?(COO)?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010924-500N</image:caption>
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    <loc>https://labproinc.com/products/verispec-methanesulfonate-chso-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010925-100n</loc>
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      <image:title>VeriSpec Methanesulfonate - CH?SO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010925-100N</image:title>
      <image:caption>VeriSpec Methanesulfonate - CH?SO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010925-100N</image:caption>
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    <loc>https://labproinc.com/products/verispec-monoethanolamine-hnchoh-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010926-100n</loc>
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      <image:title>VeriSpec Monoethanolamine -H?NC?H?OH? Standard for Ion Chromatography 1000 ppm in HNO - RV010926-100N</image:title>
      <image:caption>VeriSpec Monoethanolamine -H?NC?H?OH? Standard for Ion Chromatography 1000 ppm in HNO - RV010926-100N</image:caption>
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  <url>
    <loc>https://labproinc.com/products/verispec-monoethanolamine-hnchoh-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010926-250n</loc>
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      <image:title>VeriSpec Monoethanolamine -H?NC?H?OH? Standard for Ion Chromatography 1000 ppm in HNO - RV010926-250N</image:title>
      <image:caption>VeriSpec Monoethanolamine -H?NC?H?OH? Standard for Ion Chromatography 1000 ppm in HNO - RV010926-250N</image:caption>
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      <image:title>VeriSpec Monoethanolamine -H?NC?H?OH? Standard for Ion Chromatography 1000 ppm in HNO - RV010926-500N</image:title>
      <image:caption>VeriSpec Monoethanolamine -H?NC?H?OH? Standard for Ion Chromatography 1000 ppm in HNO - RV010926-500N</image:caption>
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    <loc>https://labproinc.com/products/verispec-monomethylamine-chnh-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010927-100n</loc>
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      <image:title>VeriSpec Monomethylamine - CH?NH?? Standard for Ion Chromatography 1000 ppm in HNO - RV010927-100N</image:title>
      <image:caption>VeriSpec Monomethylamine - CH?NH?? Standard for Ion Chromatography 1000 ppm in HNO - RV010927-100N</image:caption>
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  <url>
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      <image:title>VeriSpec Monomethylamine - CH?NH?? Standard for Ion Chromatography 1000 ppm in HNO - RV010927-250N</image:title>
      <image:caption>VeriSpec Monomethylamine - CH?NH?? Standard for Ion Chromatography 1000 ppm in HNO - RV010927-250N</image:caption>
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      <image:title>VeriSpec Monomethylamine - CH?NH?? Standard for Ion Chromatography 1000 ppm in HNO - RV010927-500N</image:title>
      <image:caption>VeriSpec Monomethylamine - CH?NH?? Standard for Ion Chromatography 1000 ppm in HNO - RV010927-500N</image:caption>
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      <image:title>VeriSpec Nitrate - NO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010928-100N</image:title>
      <image:caption>VeriSpec Nitrate - NO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010928-100N</image:caption>
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      <image:title>VeriSpec Nitrate - NO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010928-250N</image:title>
      <image:caption>VeriSpec Nitrate - NO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010928-250N</image:caption>
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      <image:title>VeriSpec Nitrate - NO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010928-500N</image:title>
      <image:caption>VeriSpec Nitrate - NO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010928-500N</image:caption>
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      <image:title>VeriSpec Nitrate(N) - NO?? f(N) Standard for Ion Chromatography 1000 ppm in HNO - RV010929-100N</image:title>
      <image:caption>VeriSpec Nitrate(N) - NO?? f(N) Standard for Ion Chromatography 1000 ppm in HNO - RV010929-100N</image:caption>
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      <image:title>VeriSpec Nitrate(N) - NO?? f(N) Standard for Ion Chromatography 1000 ppm in HNO - RV010929-250N</image:title>
      <image:caption>VeriSpec Nitrate(N) - NO?? f(N) Standard for Ion Chromatography 1000 ppm in HNO - RV010929-250N</image:caption>
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      <image:title>VeriSpec Nitrate(N) - NO?? f(N) Standard for Ion Chromatography 1000 ppm in HNO - RV010929-500N</image:title>
      <image:caption>VeriSpec Nitrate(N) - NO?? f(N) Standard for Ion Chromatography 1000 ppm in HNO - RV010929-500N</image:caption>
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    <loc>https://labproinc.com/products/verispec-nitrilotriacetate-nchcoo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010930-100c</loc>
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      <image:title>VeriSpec Nitrilotriacetate - N(CH?COO)?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010930-100C</image:title>
      <image:caption>VeriSpec Nitrilotriacetate - N(CH?COO)?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010930-100C</image:caption>
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      <image:title>VeriSpec Nitrilotriacetate - N(CH?COO)?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010930-250C</image:title>
      <image:caption>VeriSpec Nitrilotriacetate - N(CH?COO)?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010930-250C</image:caption>
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      <image:title>VeriSpec Nitrilotriacetate - N(CH?COO)?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010930-500C</image:title>
      <image:caption>VeriSpec Nitrilotriacetate - N(CH?COO)?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010930-500C</image:caption>
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      <image:title>VeriSpec Nitrite - NO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010931-100N</image:title>
      <image:caption>VeriSpec Nitrite - NO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010931-100N</image:caption>
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      <image:title>VeriSpec Nitrite - NO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010931-250N</image:title>
      <image:caption>VeriSpec Nitrite - NO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010931-250N</image:caption>
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      <image:title>VeriSpec Nitrite - NO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010931-500N</image:title>
      <image:caption>VeriSpec Nitrite - NO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010931-500N</image:caption>
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      <image:title>VeriSpec Nitrite(N) - NO?? f(N) Standard for Ion Chromatography 1000 ppm in HNO - RV010932-100N</image:title>
      <image:caption>VeriSpec Nitrite(N) - NO?? f(N) Standard for Ion Chromatography 1000 ppm in HNO - RV010932-100N</image:caption>
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      <image:title>VeriSpec Nitrite(N) - NO?? f(N) Standard for Ion Chromatography 1000 ppm in HNO - RV010932-250N</image:title>
      <image:caption>VeriSpec Nitrite(N) - NO?? f(N) Standard for Ion Chromatography 1000 ppm in HNO - RV010932-250N</image:caption>
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  <url>
    <loc>https://labproinc.com/products/verispec-nitriten-no-fn-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010932-500n</loc>
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      <image:title>VeriSpec Nitrite(N) - NO?? f(N) Standard for Ion Chromatography 1000 ppm in HNO - RV010932-500N</image:title>
      <image:caption>VeriSpec Nitrite(N) - NO?? f(N) Standard for Ion Chromatography 1000 ppm in HNO - RV010932-500N</image:caption>
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  <url>
    <loc>https://labproinc.com/products/verispec-oxalate-co-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010933-100n</loc>
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      <image:title>VeriSpec Oxalate - C?O?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010933-100N</image:title>
      <image:caption>VeriSpec Oxalate - C?O?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010933-100N</image:caption>
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  <url>
    <loc>https://labproinc.com/products/verispec-oxalate-co-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010933-250n</loc>
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      <image:title>VeriSpec Oxalate - C?O?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010933-250N</image:title>
      <image:caption>VeriSpec Oxalate - C?O?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010933-250N</image:caption>
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  <url>
    <loc>https://labproinc.com/products/verispec-oxalate-co-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010933-500n</loc>
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      <image:title>VeriSpec Oxalate - C?O?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010933-500N</image:title>
      <image:caption>VeriSpec Oxalate - C?O?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010933-500N</image:caption>
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  <url>
    <loc>https://labproinc.com/products/verispec-perchlorate-clo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010934-100n</loc>
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      <image:title>VeriSpec Perchlorate - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010934-100N</image:title>
      <image:caption>VeriSpec Perchlorate - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010934-100N</image:caption>
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  <url>
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    <image:image>
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      <image:title>VeriSpec Perchlorate - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010934-250N</image:title>
      <image:caption>VeriSpec Perchlorate - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010934-250N</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/verispec-perchlorate-clo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010934-500n</loc>
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    <image:image>
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      <image:title>VeriSpec Perchlorate - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010934-500N</image:title>
      <image:caption>VeriSpec Perchlorate - ClO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010934-500N</image:caption>
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  <url>
    <loc>https://labproinc.com/products/verispec-phosphate-p-po-fp-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010935-100n</loc>
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      <image:title>VeriSpec Phosphate (P) - PO?³? f(P) Standard for Ion Chromatography 1000 ppm in HNO - RV010935-100N</image:title>
      <image:caption>VeriSpec Phosphate (P) - PO?³? f(P) Standard for Ion Chromatography 1000 ppm in HNO - RV010935-100N</image:caption>
    </image:image>
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  <url>
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      <image:title>VeriSpec Phosphate (P) - PO?³? f(P) Standard for Ion Chromatography 1000 ppm in HNO - RV010935-250N</image:title>
      <image:caption>VeriSpec Phosphate (P) - PO?³? f(P) Standard for Ion Chromatography 1000 ppm in HNO - RV010935-250N</image:caption>
    </image:image>
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  <url>
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      <image:title>VeriSpec Phosphate (P) - PO?³? f(P) Standard for Ion Chromatography 1000 ppm in HNO - RV010935-500N</image:title>
      <image:caption>VeriSpec Phosphate (P) - PO?³? f(P) Standard for Ion Chromatography 1000 ppm in HNO - RV010935-500N</image:caption>
    </image:image>
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      <image:title>VeriSpec Phosphate - PO?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010936-100N</image:title>
      <image:caption>VeriSpec Phosphate - PO?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010936-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-phosphate-po-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010936-250n</loc>
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      <image:title>VeriSpec Phosphate - PO?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010936-250N</image:title>
      <image:caption>VeriSpec Phosphate - PO?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010936-250N</image:caption>
    </image:image>
  </url>
  <url>
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      <image:title>VeriSpec Phosphate - PO?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010936-500N</image:title>
      <image:caption>VeriSpec Phosphate - PO?³? Standard for Ion Chromatography 1000 ppm in HNO - RV010936-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-potassium-k-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010937-100n</loc>
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      <image:title>VeriSpec Potassium - K? Standard for Ion Chromatography 1000 ppm in HNO - RV010937-100N</image:title>
      <image:caption>VeriSpec Potassium - K? Standard for Ion Chromatography 1000 ppm in HNO - RV010937-100N</image:caption>
    </image:image>
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  <url>
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      <image:title>VeriSpec Potassium - K? Standard for Ion Chromatography 1000 ppm in HNO - RV010937-250N</image:title>
      <image:caption>VeriSpec Potassium - K? Standard for Ion Chromatography 1000 ppm in HNO - RV010937-250N</image:caption>
    </image:image>
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  <url>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_5008b2a0-af07-468d-b3af-ef90249612cb.jpg?v=1737683364</image:loc>
      <image:title>VeriSpec Potassium - K? Standard for Ion Chromatography 1000 ppm in HNO - RV010937-500N</image:title>
      <image:caption>VeriSpec Potassium - K? Standard for Ion Chromatography 1000 ppm in HNO - RV010937-500N</image:caption>
    </image:image>
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  <url>
    <loc>https://labproinc.com/products/verispec-propionate-chcoo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010938-100n</loc>
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    <changefreq>daily</changefreq>
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      <image:title>VeriSpec Propionate - C?H?COO? Standard for Ion Chromatography 1000 ppm in HNO - RV010938-100N</image:title>
      <image:caption>VeriSpec Propionate - C?H?COO? Standard for Ion Chromatography 1000 ppm in HNO - RV010938-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-propionate-chcoo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010938-250n</loc>
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    <changefreq>daily</changefreq>
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      <image:title>VeriSpec Propionate - C?H?COO? Standard for Ion Chromatography 1000 ppm in HNO - RV010938-250N</image:title>
      <image:caption>VeriSpec Propionate - C?H?COO? Standard for Ion Chromatography 1000 ppm in HNO - RV010938-250N</image:caption>
    </image:image>
  </url>
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    <loc>https://labproinc.com/products/verispec-propionate-chcoo-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010938-500n</loc>
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    <changefreq>daily</changefreq>
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      <image:title>VeriSpec Propionate - C?H?COO? Standard for Ion Chromatography 1000 ppm in HNO - RV010938-500N</image:title>
      <image:caption>VeriSpec Propionate - C?H?COO? Standard for Ion Chromatography 1000 ppm in HNO - RV010938-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-silicate-sio-standard-for-ion-chromatography-1000-0002-gl-in-naoh-1-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010939-100n</loc>
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    <changefreq>daily</changefreq>
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      <image:title>VeriSpec Silicate -  SiO?²?  Standard for Ion Chromatography 1.000 +/- 0.002 g/l in NaOH 1%  - RV010939-100N</image:title>
      <image:caption>VeriSpec Silicate -  SiO?²?  Standard for Ion Chromatography 1.000 +/- 0.002 g/l in NaOH 1% - RV010939-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-silicate-sio-standard-for-ion-chromatography-1000-0002-gl-in-naoh-1-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010939-250n</loc>
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    <changefreq>daily</changefreq>
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      <image:title>VeriSpec Silicate -  SiO?²?  Standard for Ion Chromatography 1.000 +/- 0.002 g/l in NaOH 1%  - RV010939-250N</image:title>
      <image:caption>VeriSpec Silicate -  SiO?²?  Standard for Ion Chromatography 1.000 +/- 0.002 g/l in NaOH 1% - RV010939-250N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-silicate-sio-standard-for-ion-chromatography-1000-0002-gl-in-naoh-1-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010939-500n</loc>
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    <changefreq>daily</changefreq>
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      <image:title>VeriSpec Silicate -  SiO?²?  Standard for Ion Chromatography 1.000 +/- 0.002 g/l in NaOH 1%  - RV010939-500N</image:title>
      <image:caption>VeriSpec Silicate -  SiO?²?  Standard for Ion Chromatography 1.000 +/- 0.002 g/l in NaOH 1% - RV010939-500N</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_ff17c91c-67a2-44cb-a7c3-cc03b7863fbf.jpg?v=1737683369</image:loc>
      <image:title>VeriSpec Sodium - Na? Standard for Ion Chromatography 1000 ppm in HNO - RV010940-100N</image:title>
      <image:caption>VeriSpec Sodium - Na? Standard for Ion Chromatography 1000 ppm in HNO - RV010940-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-sodium-na-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010940-250n</loc>
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    <changefreq>daily</changefreq>
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      <image:title>VeriSpec Sodium - Na? Standard for Ion Chromatography 1000 ppm in HNO - RV010940-250N</image:title>
      <image:caption>VeriSpec Sodium - Na? Standard for Ion Chromatography 1000 ppm in HNO - RV010940-250N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-sodium-na-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010940-500n</loc>
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    <image:image>
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      <image:title>VeriSpec Sodium - Na? Standard for Ion Chromatography 1000 ppm in HNO - RV010940-500N</image:title>
      <image:caption>VeriSpec Sodium - Na? Standard for Ion Chromatography 1000 ppm in HNO - RV010940-500N</image:caption>
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    <loc>https://labproinc.com/products/verispec-strontium-sr2-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010941-100n</loc>
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      <image:title>VeriSpec Strontium - Sr2+ Standard for Ion Chromatography 1000 ppm in HNO - RV010941-100N</image:title>
      <image:caption>VeriSpec Strontium - Sr2+ Standard for Ion Chromatography 1000 ppm in HNO - RV010941-100N</image:caption>
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      <image:title>VeriSpec Strontium - Sr2+ Standard for Ion Chromatography 1000 ppm in HNO - RV010941-250N</image:title>
      <image:caption>VeriSpec Strontium - Sr2+ Standard for Ion Chromatography 1000 ppm in HNO - RV010941-250N</image:caption>
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      <image:title>VeriSpec Strontium - Sr2+ Standard for Ion Chromatography 1000 ppm in HNO - RV010941-500N</image:title>
      <image:caption>VeriSpec Strontium - Sr2+ Standard for Ion Chromatography 1000 ppm in HNO - RV010941-500N</image:caption>
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      <image:title>VeriSpec Succinate - OOC(CH?)?COO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010942-100N</image:title>
      <image:caption>VeriSpec Succinate - OOC(CH?)?COO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010942-100N</image:caption>
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      <image:title>VeriSpec Succinate - OOC(CH?)?COO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010942-250N</image:title>
      <image:caption>VeriSpec Succinate - OOC(CH?)?COO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010942-250N</image:caption>
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      <image:title>VeriSpec Succinate - OOC(CH?)?COO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010942-500N</image:title>
      <image:caption>VeriSpec Succinate - OOC(CH?)?COO?? Standard for Ion Chromatography 1000 ppm in HNO - RV010942-500N</image:caption>
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      <image:title>VeriSpec Sulphate - SO?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010943-100N</image:title>
      <image:caption>VeriSpec Sulphate - SO?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010943-100N</image:caption>
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      <image:title>VeriSpec Sulphate - SO?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010943-250N</image:title>
      <image:caption>VeriSpec Sulphate - SO?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010943-250N</image:caption>
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      <image:title>VeriSpec Sulphate - SO?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010943-500N</image:title>
      <image:caption>VeriSpec Sulphate - SO?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010943-500N</image:caption>
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      <image:title>VeriSpec Sulphite - S(IV) Standard for Ion Chromatography 1000 ppm in HNO - RV010944-100C</image:title>
      <image:caption>VeriSpec Sulphite - S(IV) Standard for Ion Chromatography 1000 ppm in HNO - RV010944-100C</image:caption>
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      <image:title>VeriSpec Sulphite - S(IV) Standard for Ion Chromatography 1000 ppm in HNO - RV010944-100N</image:title>
      <image:caption>VeriSpec Sulphite - S(IV) Standard for Ion Chromatography 1000 ppm in HNO - RV010944-100N</image:caption>
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      <image:title>VeriSpec Sulphite - S(IV) Standard for Ion Chromatography 1000 ppm in HNO - RV010944-250N</image:title>
      <image:caption>VeriSpec Sulphite - S(IV) Standard for Ion Chromatography 1000 ppm in HNO - RV010944-250N</image:caption>
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      <image:title>VeriSpec Sulphite - S(IV) Standard for Ion Chromatography 1000 ppm in HNO - RV010944-500N</image:title>
      <image:caption>VeriSpec Sulphite - S(IV) Standard for Ion Chromatography 1000 ppm in HNO - RV010944-500N</image:caption>
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      <image:title>VeriSpec Tartrate - OOC(CHOH)?COO²? Standard for Ion Chromatography 1000 ppm in HNO - RV010945-100C</image:title>
      <image:caption>VeriSpec Tartrate - OOC(CHOH)?COO²? Standard for Ion Chromatography 1000 ppm in HNO - RV010945-100C</image:caption>
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      <image:title>VeriSpec Tartrate - OOC(CHOH)?COO²? Standard for Ion Chromatography 1000 ppm in HNO - RV010945-250C</image:title>
      <image:caption>VeriSpec Tartrate - OOC(CHOH)?COO²? Standard for Ion Chromatography 1000 ppm in HNO - RV010945-250C</image:caption>
    </image:image>
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      <image:title>VeriSpec Tartrate - OOC(CHOH)?COO²? Standard for Ion Chromatography 1000 ppm in HNO - RV010945-500C</image:title>
      <image:caption>VeriSpec Tartrate - OOC(CHOH)?COO²? Standard for Ion Chromatography 1000 ppm in HNO - RV010945-500C</image:caption>
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      <image:title>VeriSpec Thiocyanate - SCN? Standard for Ion Chromatography 1000 ppm in HNO - RV010946-100N</image:title>
      <image:caption>VeriSpec Thiocyanate - SCN? Standard for Ion Chromatography 1000 ppm in HNO - RV010946-100N</image:caption>
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      <image:title>VeriSpec Thiocyanate - SCN? Standard for Ion Chromatography 1000 ppm in HNO - RV010946-250N</image:title>
      <image:caption>VeriSpec Thiocyanate - SCN? Standard for Ion Chromatography 1000 ppm in HNO - RV010946-250N</image:caption>
    </image:image>
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  <url>
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      <image:title>VeriSpec Thiocyanate - SCN? Standard for Ion Chromatography 1000 ppm in HNO - RV010946-500N</image:title>
      <image:caption>VeriSpec Thiocyanate - SCN? Standard for Ion Chromatography 1000 ppm in HNO - RV010946-500N</image:caption>
    </image:image>
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  <url>
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      <image:title>VeriSpec Thiosulphate - S?O?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010947-100C</image:title>
      <image:caption>VeriSpec Thiosulphate - S?O?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010947-100C</image:caption>
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      <image:title>VeriSpec Thiosulphate - S?O?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010947-250C</image:title>
      <image:caption>VeriSpec Thiosulphate - S?O?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010947-250C</image:caption>
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      <image:caption>VeriSpec Thiosulphate - S?O?²? Standard for Ion Chromatography 1000 ppm in HNO - RV010947-500C</image:caption>
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      <image:title>VeriSpec Triethanolamine - HN(C?H?OH)?? Standard for Ion Chromatography 1000 ppm in HNO - RV010948-100N</image:title>
      <image:caption>VeriSpec Triethanolamine - HN(C?H?OH)?? Standard for Ion Chromatography 1000 ppm in HNO - RV010948-100N</image:caption>
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      <image:title>VeriSpec Triethanolamine - HN(C?H?OH)?? Standard for Ion Chromatography 1000 ppm in HNO - RV010948-250N</image:title>
      <image:caption>VeriSpec Triethanolamine - HN(C?H?OH)?? Standard for Ion Chromatography 1000 ppm in HNO - RV010948-250N</image:caption>
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      <image:title>VeriSpec Triethanolamine - HN(C?H?OH)?? Standard for Ion Chromatography 1000 ppm in HNO - RV010948-500N</image:title>
      <image:caption>VeriSpec Triethanolamine - HN(C?H?OH)?? Standard for Ion Chromatography 1000 ppm in HNO - RV010948-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-triethylamine-chnh-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010949-100n</loc>
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    <changefreq>daily</changefreq>
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      <image:title>VeriSpec Triethylamine - (C?H?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010949-100N</image:title>
      <image:caption>VeriSpec Triethylamine - (C?H?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010949-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-triethylamine-chnh-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010949-250n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>VeriSpec Triethylamine - (C?H?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010949-250N</image:title>
      <image:caption>VeriSpec Triethylamine - (C?H?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010949-250N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-triethylamine-chnh-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010949-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_541a36dc-d40d-4ca2-aac4-01bb892b00d8.jpg?v=1737683385</image:loc>
      <image:title>VeriSpec Triethylamine - (C?H?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010949-500N</image:title>
      <image:caption>VeriSpec Triethylamine - (C?H?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010949-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-trimethylamine-chnh-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010950-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_0e7f331e-de88-40e8-a058-3e988082beda.jpg?v=1737683386</image:loc>
      <image:title>VeriSpec Trimethylamine - (CH?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010950-100N</image:title>
      <image:caption>VeriSpec Trimethylamine - (CH?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010950-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-trimethylamine-chnh-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010950-250n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_7687514e-0499-49ea-929e-10397707b4af.jpg?v=1737683386</image:loc>
      <image:title>VeriSpec Trimethylamine - (CH?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010950-250N</image:title>
      <image:caption>VeriSpec Trimethylamine - (CH?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010950-250N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-trimethylamine-chnh-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010950-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_f2e62921-ce35-417d-85f5-06aaccac95ce.jpg?v=1737683387</image:loc>
      <image:title>VeriSpec Trimethylamine - (CH?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010950-500N</image:title>
      <image:caption>VeriSpec Trimethylamine - (CH?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010950-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-hydrogen-sulfite-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010951-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_f5040b05-502f-4457-8e30-de96b8ee17a6.jpg?v=1704981829</image:loc>
      <image:title>VeriSpec Hydrogen Sulfite Standard for Ion Chromatography 1000 ppm in HNO - RV010951-100N</image:title>
      <image:caption>VeriSpec Hydrogen Sulfite Standard for Ion Chromatography 1000 ppm in HNO - RV010951-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-hydrogen-sulfite-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010951-500c</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-general_500c_d585a0e7-93f4-4c84-8bf2-10d59b405195.png?v=1737683388</image:loc>
      <image:title>VeriSpec Hydrogen Sulfite Standard for Ion Chromatography 1000 ppm in HNO - RV010951-500C</image:title>
      <image:caption>VeriSpec Hydrogen Sulfite Standard for Ion Chromatography 1000 ppm in HNO - RV010951-500C</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-hydrogen-sulfite-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010951-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_4a28dbf9-3538-40a0-b4e1-30e8f90c7ab7.jpg?v=1737683388</image:loc>
      <image:title>VeriSpec Hydrogen Sulfite Standard for Ion Chromatography 1000 ppm in HNO - RV010951-500N</image:title>
      <image:caption>VeriSpec Hydrogen Sulfite Standard for Ion Chromatography 1000 ppm in HNO - RV010951-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-3-methoxypropylamine-chochnh-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010999-100n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_d8e7885f-e179-45d3-b55f-210d1bf36eae.jpg?v=1737683389</image:loc>
      <image:title>VeriSpec 3-Methoxypropylamine - CH?O(CH?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010999-100N</image:title>
      <image:caption>VeriSpec 3-Methoxypropylamine - CH?O(CH?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010999-100N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-3-methoxypropylamine-chochnh-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010999-250n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_5f3f1705-7e93-4a27-ab68-593d05fa7f43.jpg?v=1737683390</image:loc>
      <image:title>VeriSpec 3-Methoxypropylamine - CH?O(CH?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010999-250N</image:title>
      <image:caption>VeriSpec 3-Methoxypropylamine - CH?O(CH?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010999-250N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-3-methoxypropylamine-chochnh-standard-for-ion-chromatography-1000-ppm-in-ho-manufactured-and-tested-in-an-iso-17025guide-34-facility-rv010999-500n</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_fe28f3fb-21bd-412a-8534-8c24212e5bff.jpg?v=1737683390</image:loc>
      <image:title>VeriSpec 3-Methoxypropylamine - CH?O(CH?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010999-500N</image:title>
      <image:caption>VeriSpec 3-Methoxypropylamine - CH?O(CH?)?NH? Standard for Ion Chromatography 1000 ppm in HNO - RV010999-500N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-200-ppm-c2h5br-c2h5cl-ch3cl-ccl2f2-ccl3f-c2h3cl-in-methanol-epa-502astm-d5580-manufactured-and-tested-in-an-iso-17025guide-34-accredited-facility-rv012031-1r</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_087c9c1f-ffc2-402d-af7b-3e2cd007439d.jpg?v=1704981855</image:loc>
      <image:title>VeriSpec 200 ppm: C2H5Br,  C2H5Cl, CH3Cl, CCl2F2, CCl3F, C2H3Cl in Methanol EPA 502/ASTM D5580  - RV012031-1R</image:title>
      <image:caption>VeriSpec 200 ppm: C2H5Br,  C2H5Cl, CH3Cl, CCl2F2, CCl3F, C2H3Cl in Methanol EPA 502/ASTM D5580 Guide 34 Accredited Facility - RV012031-1R</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-100ppm-bromodichloromethane-bromoform-dibromochloromethane-chloroform-in-meoh-epa-501-manufactured-and-tested-in-an-iso-17025guide-34-accredited-facility-rv019028-1r</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_1abc7b1c-4252-437b-9948-870ef989c968.jpg?v=1704981857</image:loc>
      <image:title>VeriSpec 100ppm: Bromodichloromethane, Bromoform, Dibromochloromethane, Chloroform in MeOH EPA 501  - RV019028-1R</image:title>
      <image:caption>VeriSpec 100ppm: Bromodichloromethane, Bromoform, Dibromochloromethane, Chloroform in MeOH EPA 501 Guide 34 Accredited Facility - RV019028-1R</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-200ppm-bromodichloromethane-bromoform-dibromochloromethane-chloroform-in-meoh-epa-501-manufactured-and-tested-in-an-iso-17025guide-34-accredited-facility-rv019029-1r</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_0f6fd290-ab24-4775-b5c3-f5d6f17fb7bb.jpg?v=1704981859</image:loc>
      <image:title>VeriSpec 200ppm: Bromodichloromethane, Bromoform, Dibromochloromethane, Chloroform in MeOH EPA 501  - RV019029-1R</image:title>
      <image:caption>VeriSpec 200ppm: Bromodichloromethane, Bromoform, Dibromochloromethane, Chloroform in MeOH EPA 501 Guide 34 Accredited Facility - RV019029-1R</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-5000ppm-bromodichloromethane-bromoform-dibromochloromethane-chloroform-in-meoh-epa-501-manufactured-and-tested-in-an-iso-17025guide-34-accredited-facility-rv019030-1r</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_b6a639c1-6449-4598-8dc3-fbc8d0a6f9bf.jpg?v=1704981861</image:loc>
      <image:title>VeriSpec 5000ppm Bromodichloromethane, Bromoform, Dibromochloromethane, Chloroform in MeOH EPA 501  - RV019030-1R</image:title>
      <image:caption>VeriSpec 5000ppm Bromodichloromethane, Bromoform, Dibromochloromethane, Chloroform in MeOH EPA 501 Guide 34 Accredited Facility - RV019030-1R</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-2000ppm-bromodichloromethane-bromoform-dibromochloromethane-chloroform-in-meoh-epa-501-manufactured-and-tested-in-an-iso-17025guide-34-accredited-facility-rv019031-1r</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_178b7cc7-c14a-401c-93b1-69fb1a564704.jpg?v=1704981864</image:loc>
      <image:title>VeriSpec 2000ppm Bromodichloromethane, Bromoform, Dibromochloromethane, Chloroform in MeOH EPA 501  - RV019031-1R</image:title>
      <image:caption>VeriSpec 2000ppm Bromodichloromethane, Bromoform, Dibromochloromethane, Chloroform in MeOH EPA 501 Guide 34 Accredited Facility - RV019031-1R</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-2000-ppm-2-bromo-1-chloropropane-fluorobenzene-in-methanol-astm-d5580-manufactured-and-tested-in-an-iso-17025guide-34-accredited-facility-rv019034-1r</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_3f4e7386-d020-48b7-932a-c2ef26ba1c4b.jpg?v=1737683391</image:loc>
      <image:title>VeriSpec 2000 ppm: 2-Bromo-1-chloropropane, Fluorobenzene in Methanol ASTM D5580  - RV019034-1R</image:title>
      <image:caption>VeriSpec 2000 ppm: 2-Bromo-1-chloropropane, Fluorobenzene in Methanol ASTM D5580 Guide 34 Accredited Facility - RV019034-1R</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-2000-ppm-2-bromo-1-chloropropane-1-chloro-2-fluorobenzene-in-methanol-astm-d5580-manufactured-and-tested-in-an-iso-17025guide-34-accredited-facility-rv019035-1r</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_97cdf6d5-2d89-4954-aaca-ae6db781cd61.jpg?v=1704981868</image:loc>
      <image:title>VeriSpec 2000 ppm: 2-Bromo-1-chloropropane, 1-Chloro-2-fluorobenzene in Methanol ASTM D5580  - RV019035-1R</image:title>
      <image:caption>VeriSpec 2000 ppm: 2-Bromo-1-chloropropane, 1-Chloro-2-fluorobenzene in Methanol ASTM D5580 Guide 34 Accredited Facility - RV019035-1R</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-2000-ppm-c2h5br-c2h5cl-ch3cl-ccl2f2-ccl3f-c2h3cl-in-methanol-epa-502astm-d5580-manufactured-and-tested-in-an-iso-17025guide-34-accredited-facility-rv019037-1r</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_cd7f5276-eb59-46f6-bb5b-7124d6b020c9.jpg?v=1704981870</image:loc>
      <image:title>VeriSpec 2000 ppm: C2H5Br,  C2H5Cl, CH3Cl, CCl2F2, CCl3F, C2H3Cl in Methanol EPA 502/ASTM D5580  - RV019037-1R</image:title>
      <image:caption>VeriSpec 2000 ppm: C2H5Br,  C2H5Cl, CH3Cl, CCl2F2, CCl3F, C2H3Cl in Methanol EPA 502/ASTM D5580 Guide 34 Accredited Facility - RV019037-1R</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/verispec-200-ppm-aromatic-halocarbons-mixture-16-components-in-methanol-epa-5031-manufactured-and-tested-in-an-iso-17025guide-34-accredited-facility-rv019042-1r</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-verispec_bottles_1_712893ca-ba1a-4145-a5ff-250502cc91fb.jpg?v=1704981872</image:loc>
      <image:title>VeriSpec 200 ppm: Aromatic Halocarbons Mixture 16 Components in Methanol EPA 503.1  - RV019042-1R</image:title>
      <image:caption>VeriSpec 200 ppm: Aromatic Halocarbons Mixture 16 Components in Methanol EPA 503.1 Guide 34 Accredited Facility - RV019042-1R</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/secondary-water-standard-rwat4-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_404a4e9c-86b5-47fb-8a9f-7b6bb80136bc.png?v=1737683392</image:loc>
      <image:title>Secondary Water Standard - RWAT4-100</image:title>
      <image:caption>Secondary Water Standard - RWAT4-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/primary-drinking-water-metals-standard-rwat7-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_247106ec-bde1-4e51-add0-ccd82f3b4847.png?v=1737683393</image:loc>
      <image:title>Primary Drinking Water Metals Standard - RWAT7-100</image:title>
      <image:caption>Primary Drinking Water Metals Standard - RWAT7-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/mercury-drinking-water-standard-10-ppm-hg-rwathg10-100</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0401/5452/9953/products/ricca-standards_a5a293a1-b27c-46ab-b373-9fcb7be9a371.png?v=1737683393</image:loc>
      <image:title>Mercury Drinking Water Standard, 10 ppm Hg - RWATHG10-100</image:title>
      <image:caption>Mercury Drinking Water Standard, 10 ppm Hg - RWATHG10-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc.com/products/sodium-carbonate-rv-ep-primary-standard-poly-wht-wm-7192-500</loc>
    <lastmod>2026-04-07T09:57:32-07:00</lastmod>
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