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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
ORP Standard, +600 mV vs. Ag/AgCl (4M KCl sat. with AgCl filling solution) - 5464.6-32
ORP Standard, +600 mV vs. Ag/AgCl (4M KCl sat. with AgCl filling solution) - 5464.6-32Size:1 L Glass amberCAS Number:7732-18-5,7783-83-7,7664-93-9,7783-85-9
Phosphate Phosphorus Standard, 50 ppm P (153 ppm PO?³?) - 5830-4
Phosphate Phosphorus Standard, 50 ppm P (153 ppm PO?³?) - 5830-4Size:120 mL Poly naturalCAS Number:7732-18-5,7778-77-0
Phenol Standard, 1% (w/v) - R5737000-1C
Phenol Standard, 1% (w/v) - R5737000-1CSize:1 L Glass amberCAS Number:7732-18-5,108-95-2
Phenol Standard, 1000 ppm C?H?OH (0.100% (w/w)) - 5740-4
Phenol Standard, 1000 ppm C?H?OH (0.100% (w/w)) - 5740-4Size:120 mL Glass amberCAS Number:7732-18-5,108-95-2
Phosphate Standard, 6 ppm PO?³? - R5826600-4A
Phosphate Standard, 6 ppm PO?³? - R5826600-4ASize:4 L Poly naturalCAS Number:7732-18-5,7778-77-0
Potassium Chloride Conductivity Standard, 20,000 µS/cm (20 mS/cm) at 25°C - 5888.20-2.5
Potassium Chloride Conductivity Standard, 20,000 µS/cm (20 mS/cm) at 25°C - 5888.20-2.5Size:10 L CubitainerCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 1800 µS/cm at 25°C - 5888.180-32
Potassium Chloride Conductivity Standard, 1800 µS/cm at 25°C - 5888.180-32Size:1 L Poly naturalCAS Number:7732-18-5,7447-40-7
Phosphate Standard, 8 ppm PO?³? - R5826800-500A
Phosphate Standard, 8 ppm PO?³? - R5826800-500ASize:500 mL Poly naturalCAS Number:7732-18-5,7778-77-0
Phosphate Standard, 1.5 ppm PO4 - R5826105-1A
Phosphate Standard, 1.5 ppm PO4 - R5826105-1ASize:1 L Poly naturalCAS Number:7732-18-5,7778-77-0
Potassium Chloride Conductivity Standard, 1500 µS/cm at 25°C - 5888.15-2.5
Potassium Chloride Conductivity Standard, 1500 µS/cm at 25°C - 5888.15-2.5Size:10 L CubitainerCAS Number:7732-18-5,7447-40-7
Orthophosphate Standard, 1000 ppm P - R5835000-120A
Orthophosphate Standard, 1000 ppm P - R5835000-120ASize:120 mL Poly naturalCAS Number:7732-18-5,7778-77-0
Potassium Chloride Conductivity Standard, 1500 µS/cm at 25°C - 5888.15-32
Potassium Chloride Conductivity Standard, 1500 µS/cm at 25°C - 5888.15-32Size:1 L Poly naturalCAS Number:7732-18-5,7447-40-7
Phenol Standard, 1000 ppm C?H?OH (0.100% (w/w)) - 5740-32
Phenol Standard, 1000 ppm C?H?OH (0.100% (w/w)) - 5740-32Size:1 L Glass amberCAS Number:7732-18-5,108-95-2
Phosphate Standard, 500 ppm PO?³? (163 ppm P) - 5838-4
Phosphate Standard, 500 ppm PO?³? (163 ppm P) - 5838-4Size:120 mL Glass amberCAS Number:7732-18-5,7778-77-0
Potassium Chloride Conductivity Standard, 1413 µS/cm at 25°C - R5888141-4A
Potassium Chloride Conductivity Standard, 1413 µS/cm at 25°C - R5888141-4ASize:4 L Poly naturalCAS Number:7732-18-5,7447-40-7
Phosphate Standard, 1 ppm PO?³? - 5826.1-32
Phosphate Standard, 1 ppm PO?³? - 5826.1-32Size:1 L Poly naturalCAS Number:7732-18-5,7778-77-0
