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Standards-Others

Whether you're determining unknown substances or calibrating analytical instruments, you will need certified laboratory standard solutions. Here at Lab Pro, our standards aim to increase lab efficiency and help users achieve more accurate results. Browse through our standards selection ranging from water-soluble ammonium sulfamate to phenacetin powder. If you need laboratory standards in bulk, don't hesitate to reach us at 888-4-LABPRO (888-452-2776). We also offer next-day service in California and same-day service for will-calls.
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      Featured
      Conductivity Standard, 300,000 µS/cm (300 mS/cm) at 25°C - R2249300-500A
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      Conductivity Standard, 300,000 µS/cm (300 mS/cm) at 25°C - R2249300-500A

      $54.58
      Conductivity Standard, 300,000 µS/cm (300 mS/cm) at 25°C - R2249300-500ASize:500 mL Poly naturalCAS Number:7732-18-5,7647-01-0
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      Conductivity Standard, 150,000 µS/cm (150 mS/cm) at 25°C - 2249.15-32
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      Conductivity Standard, 150,000 µS/cm (150 mS/cm) at 25°C - 2249.15-32

      $128.02
      Conductivity Standard, 150,000 µS/cm (150 mS/cm) at 25°C - 2249.15-32Size:1 L Poly naturalCAS Number:7732-18-5,7647-14-5
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      Ethyl Alcohol Standard, 14% (v/v) - R2919140-500A
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      Ethyl Alcohol Standard, 14% (v/v) - R2919140-500A

      $149.11
      Ethyl Alcohol Standard, 14% (v/v) - R2919140-500ASize:500 mL Poly naturalCAS Number:7732-18-5,64-17-5
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      Nitrate Nitrogen Standard, 10 ppm N (44.27 ppm NO??) - 5456-16
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      Nitrate Nitrogen Standard, 10 ppm N (44.27 ppm NO??) - 5456-16

      $73.11
      Nitrate Nitrogen Standard, 10 ppm N (44.27 ppm NO??) - 5456-16Size:500 mL Poly naturalCAS Number:7732-18-5,67-66-3,7757-79-1
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      Conductivity Standard, 200,000 µS/cm (200 mS/cm) at 25°C - 2249.20-16
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      Conductivity Standard, 200,000 µS/cm (200 mS/cm) at 25°C - 2249.20-16

      $50.82
      Conductivity Standard, 200,000 µS/cm (200 mS/cm) at 25°C - 2249.20-16Size:500 mL Poly naturalCAS Number:7732-18-5,7647-14-5
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      Standard Dithizone Solution, 10 mg/L in Chloroform USP <251> for Lead - R2631000-500C
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      Standard Dithizone Solution, 10 mg/L in Chloroform USP <251> for Lead - R2631000-500C

      $144.16
      Standard Dithizone Solution, 10 mg/L in Chloroform USP <251> for Lead - R2631000-500CSize:500 mL Glass amberCAS Number:67-66-3,60-10-6
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      Conductivity Standard, 229 µS/cm at 25°C - R2236330-500A
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      Conductivity Standard, 229 µS/cm at 25°C - R2236330-500A

      $96.61
      Conductivity Standard, 229 µS/cm at 25°C - R2236330-500ASize:500 mL Poly naturalCAS Number:7732-18-5,7647-14-5
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      Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 20 - 2230.020-100
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      Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 20 - 2230.020-100

      $79.99
      Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 20 - 2230.020-100Size:100 mL Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1
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      Ethyl Alcohol Standard, 14% (v/v), 4L - R2919140-4A
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      Ethyl Alcohol Standard, 14% (v/v), 4L - R2919140-4A

      $99.77
      Ethyl Alcohol Standard, 14% (v/v) - R2919140-4ASize:4 L Poly naturalShelf Life: 24 monthsCAS Number:7732-18-5,64-17-5
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      Turbidity Standard, 200 NTU, Formazin - R8819200-500C
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      Turbidity Standard, 200 NTU, Formazin - R8819200-500C

      $113.28
      Turbidity Standard, 200 NTU, Formazin - R8819200-500CSize:500 mL Glass amberCAS Number:7732-18-5,100-97-0,10034-93-2
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      Specific Gravity Standard, Sp. Gr. =1.80 at 25°C - R7991800-500C1
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      Specific Gravity Standard, Sp. Gr. =1.80 at 25°C - R7991800-500C1

      $140.86
      Specific Gravity Standard, Sp. Gr. =1.80 at 25°C - R7991800-500C1Size:500 mL glass sc ambCAS Number:7664-93-9,7732-18-5
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      Specific Gravity Standard, Sp. Gr. = 1.40 at 60°F/60°F - R7992140-500A
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      Specific Gravity Standard, Sp. Gr. = 1.40 at 60°F/60°F - R7992140-500A

      $108.95
      Specific Gravity Standard, Sp. Gr. = 1.40 at 60°F/60°F - R7992140-500ASize:500 mL Poly naturalCAS Number:7664-93-9,7732-18-5
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      Potassium Chloride Conductivity Standard, 12,880 µS/cm (12.88 mS/cm) at 25°C - 5888.13-16
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      Potassium Chloride Conductivity Standard, 12,880 µS/cm (12.88 mS/cm) at 25°C - 5888.13-16

      $62.75
      Potassium Chloride Conductivity Standard, 12,880 µS/cm (12.88 mS/cm) at 25°C - 5888.13-16Size:500 mL Poly naturalCAS Number:7732-18-5,7447-40-7
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      Potassium Permanganate Standard, 891 mg/L (1000 ppm as Cl?) - R6354300-500C
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      Potassium Permanganate Standard, 891 mg/L (1000 ppm as Cl?) - R6354300-500C

      $46.13
      Potassium Permanganate Standard, 891 mg/L (1000 ppm as Cl?) - R6354300-500CSize:500 mL Glass amberCAS Number:7732-18-5,7722-64-7
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      Nitrite Nitrogen Standard, 100 ppm N (328.5 ppm NO??) - 5461.1-4
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      Nitrite Nitrogen Standard, 100 ppm N (328.5 ppm NO??) - 5461.1-4

      $63.46
      Nitrite Nitrogen Standard, 100 ppm N (328.5 ppm NO??) - 5461.1-4Size:120 mL Glass amberCAS Number:7732-18-5,67-66-3,7758-09-0
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      Conductivity Standard, 100,000 µS/cm (100 mS/cm) at 25°C 65,750 ppm TDS as NaCl - 2249-16
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      Conductivity Standard, 100,000 µS/cm (100 mS/cm) at 25°C 65,750 ppm TDS as NaCl - 2249-16

      $41.93
      Conductivity Standard, 100,000 µS/cm (100 mS/cm) at 25°C 65,750 ppm TDS as NaCl - 2249-16Size:500 mL Poly naturalCAS Number:7732-18-5,7647-14-5
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