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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
Potassium Dichromate Spectrophotometric Standard, 0.4 AU/cm at 280 nm - R6086400-500A
Potassium Dichromate Spectrophotometric Standard, 0.4 AU/cm at 280 nm - R6086400-500ASize:500 mL Poly naturalCAS Number:7732-18-5,7778-50-9
Potassium Chloride Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C - 5888.10-1
Potassium Chloride Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C - 5888.10-1Size:4 L Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 2500 µS/cm at 25°C - 5888.02-1
Potassium Chloride Conductivity Standard, 2500 µS/cm at 25°C - 5888.02-1Size:4 L Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Acid Phthalate, 300 mg/L, Multi-Purpose Standard - 5867.3-32
Potassium Acid Phthalate, 300 mg/L, Multi-Purpose Standard - 5867.3-32Size:1 L Poly naturalCAS Number:7732-18-5,877-24-7
Potassium Chloride Conductivity Standard, 7000 µS/cm at 25°C - 5888.07-1
Potassium Chloride Conductivity Standard, 7000 µS/cm at 25°C - 5888.07-1Size:4 L Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 300 µS/cm at 25°C - R5887350-1A
Potassium Chloride Conductivity Standard, 300 µS/cm at 25°C - R5887350-1ASize:1 L Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 7000 µS/cm at 25°C - 5888.07-16
Potassium Chloride Conductivity Standard, 7000 µS/cm at 25°C - 5888.07-16Size:500 mL Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 3000 µS/cm at 25°C - 5888.04-5
Potassium Chloride Conductivity Standard, 3000 µS/cm at 25°C - 5888.04-5Size:20 L CubitainerCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 2767 µS/cm at 25°C, 0.02 Molar - 5888.03-16
Potassium Chloride Conductivity Standard, 2767 µS/cm at 25°C, 0.02 Molar - 5888.03-16Size:500 mL Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 12,880 µS/cm (12.88 mS/cm) at 25°C - 5888.13-1
Potassium Chloride Conductivity Standard, 12,880 µS/cm (12.88 mS/cm) at 25°C - 5888.13-1Size:4 L Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 718 µS/cm at 25°C - 5888.11-32
Potassium Chloride Conductivity Standard, 718 µS/cm at 25°C - 5888.11-32Size:1 L Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Acid Phthalate Standard, 1.00% (w/w) - 5869-16
Potassium Acid Phthalate Standard, 1.00% (w/w) - 5869-16Size:500 mL Poly naturalCAS Number:7732-18-5,877-24-7
Potassium Chloride Conductivity Standard, 1118 µS/cm at 25°C - R5888014-1A
Potassium Chloride Conductivity Standard, 1118 µS/cm at 25°C - R5888014-1ASize:1 L Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Dichromate Spectrophotometric Standard, 1.0 AU/cm at 254 nm - R6085410-1A
Potassium Dichromate Spectrophotometric Standard, 1.0 AU/cm at 254 nm - R6085410-1ASize:1 L Poly naturalCAS Number:7732-18-5,7778-50-9
Phosphate Phosphorus Standard, 20,000 ppm P (61,320 ppm PO?³?) - R5857200-120A
Phosphate 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 Dichromate Spectrophotometric Standard, 0.5 AU/cm at 280 nm - 6087-5
Potassium Dichromate Spectrophotometric Standard, 0.5 AU/cm at 280 nm - 6087-5Size:20 L CubitainerCAS Number:7732-18-5,7778-50-9
