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KN95 Respirator Mask, 4 layers, Box of 50 -LP-KN95-001BOX50
$79.00
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Harley N95 NIOSH Certified Particulate Respirator Mask, Folder Style 20/Box - L-188
$36.00
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Lab Pro Mask KN95 (K-N95) Pack of 50 - LP-MASK2-K95 - 40% OFF
$125.00$75.00 -
Lab Pro 3ply Earloop Disposable Mask (Non-Surgical) (Box of 50) - 84% OFF
$57.00$9.00
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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.
Chemicals & Reagents
Reference Standards
Phosphorus Standard, 5 ppb (5 µg/L) P - R5856050-1A
$332.25Phosphorus Standard, 5 ppb (5 µg/L) P - R5856050-1ASize:1 L Poly naturalCAS Number:7732-18-5,7778-77-0
Phosphorus Standard, 10 ppb (10 µg/L) P - R5856100-1A
$306.45Phosphorus Standard, 10 ppb (10 µg/L) P - R5856100-1ASize:1 L Poly naturalCAS Number:7732-18-5,7778-77-0
Phosphorus Standard, 25 ppb (25 µg/L) P - R5856250-1A
$216.55Phosphorus Standard, 25 ppb (25 µg/L) P - R5856250-1ASize:1 L Poly naturalCAS Number:7732-18-5,7778-77-0
Phosphate Phosphorus Standard, 100 ppm P (306.6 ppm PO?³?) - 5856.5-4
$97.46Phosphate Phosphorus Standard, 100 ppm P (306.6 ppm PO?³?) - 5856.5-4Size:120 mL Poly naturalCAS Number:7732-18-5,7778-77-0
Phosphate Phosphorus Standard, 100 ppm P (306.6 ppm PO?³?) - 5856.5-16
$130.99Phosphate Phosphorus Standard, 100 ppm P (306.6 ppm PO?³?) - 5856.5-16Size:500 mL Poly naturalCAS Number:7732-18-5,7778-77-0
Phosphorus Standard, 250 ppm P - R5857003-500A
$184.34Phosphorus Standard, 250 ppm P - R5857003-500ASize:500 mL Poly naturalCAS Number:7732-18-5,7778-77-0
Phosphorus Standard, 500 ppm P - R5857005-500A
$151.93Phosphorus Standard, 500 ppm P - R5857005-500ASize:500 mL Poly naturalCAS Number:7732-18-5,7778-77-0
Phosphate Phosphorus Standard, 20,000 ppm P (61,320 ppm PO?³?) - R5857200-120A
$201.54Phosphate Phosphorus Standard, 20,000 ppm P (61,320 ppm PO?³?) - R5857200-120ASize:120 mL Poly naturalCAS Number:7732-18-5,7722-76-1
Potassium Acid Phthalate, 300 mg/L, Multi-Purpose Standard - 5867.3-32
$76.47Potassium Acid Phthalate, 300 mg/L, Multi-Purpose Standard - 5867.3-32Size:1 L Poly naturalCAS Number:7732-18-5,877-24-7
Potassium Acid Phthalate, 300 mg/L, Multi-Purpose Standard - 5867.3-1
$231.25Potassium Acid Phthalate, 300 mg/L, Multi-Purpose Standard - 5867.3-1Size:4 L Poly naturalCAS Number:7732-18-5,877-24-7
Potassium Acid Phthalate, 300 mg/L, Multi-Purpose Standard - 5867.3-16
$50.11Potassium Acid Phthalate, 300 mg/L, Multi-Purpose Standard - 5867.3-16Size:500 mL Poly naturalCAS Number:7732-18-5,877-24-7
Potassium Acid Phthalate Standard, 1000 ppm Chemical Oxygen Demand (COD) - 5868-16
$51.34Potassium Acid Phthalate Standard, 1000 ppm Chemical Oxygen Demand (COD) - 5868-16Size:500 mL Poly naturalCAS Number:7732-18-5,877-24-7
Chemical Oxygen Demand Standard, 1500 ppm COD - 5868.15-32
$197.07Chemical Oxygen Demand Standard, 1500 ppm COD - 5868.15-32Size:1 L Poly naturalCAS Number:7732-18-5,877-24-7
Potassium Acid Phthalate Standard, 1.00% (w/w) - 5869-16
$139.40Potassium Acid Phthalate Standard, 1.00% (w/w) - 5869-16Size:500 mL Poly naturalCAS Number:7732-18-5,877-24-7
Potassium Bromate RV, EP Primary Standard - 5879.4-500
$1,181.08Potassium Bromate RV, EP Primary Standard - 5879.4-500Size:500 g wide mouthCAS Number:7732-18-5,7758-01-2
Potassium Chloride Conductivity Standard, 45 µS/cm at 25°C - 5885-16
$116.59Potassium Chloride Conductivity Standard, 45 µS/cm at 25°C - 5885-16Size:500 mL Poly naturalCAS Number:7732-18-5,7447-40-7
