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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
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 450 - 2230.450-4
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 450 - 2230.450-4Size:120 mL Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1
Chloride/Sulfate IC Standard, 2 ppm Cl, 2 ppm SO? - R1962020-500A
Chloride/Sulfate IC Standard, 2 ppm Cl, 2 ppm SO? - R1962020-500ASize:500 mL Poly naturalCAS Number:7732-18-5,7757-82-6,7647-14-5
Chloride Standard, 10,000 ppm Cl? (0.282 Normal) - 1957-16
Chloride Standard, 10,000 ppm Cl? (0.282 Normal) - 1957-16Size:500 mL Poly naturalCAS Number:7732-18-5,7647-14-5
Chloride Standard, 100,000 ppm Cl? (2.82 Normal) - 1956-32
Chloride Standard, 100,000 ppm Cl? (2.82 Normal) - 1956-32Size:1 L Poly naturalCAS Number:7732-18-5,7647-14-5
Conductivity Standard, 13,730 µS/cm (13.73 mS/cm) at 25°C - R2246137-20F
Conductivity Standard, 13,730 µS/cm (13.73 mS/cm) at 25°C - R2246137-20FSize:20 L CubitainerCAS Number:7732-18-5,7647-14-5
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 1000 - 2231-16
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 1000 - 2231-16Size:500 mL Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1
Conductivity Standard, 1413 µS/cm at 25°C - 2236.52-16
Conductivity Standard, 1413 µS/cm at 25°C - 2236.52-16Size:500 mL Poly naturalCAS Number:7732-18-5,7647-14-5
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 400 - 2230.400-16
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 400 - 2230.400-16Size:500 mL Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1
Conductivity Standard, 1330 µS/cm at 25°C - R2236517-1A
Conductivity Standard, 1330 µS/cm at 25°C - R2236517-1ASize:1 L Poly naturalCAS Number:7732-18-5,7647-14-5
Conductivity Standard, 13,000 µS/cm (13 mS/cm) at 25°C - R2246125-1A
Conductivity Standard, 13,000 µS/cm (13 mS/cm) at 25°C - R2246125-1ASize:1 L Poly naturalCAS Number:7732-18-5,7647-14-5
Conductivity Standard, 13,000 µS/cm (13 mS/cm) at 25°C - R2246125-20F
Conductivity Standard, 13,000 µS/cm (13 mS/cm) at 25°C - R2246125-20FSize:20 L CubitainerCAS Number:7732-18-5,7647-14-5
Conductivity Standard, 1413 µS/cm at 25°C - 2236.52-1
Conductivity Standard, 1413 µS/cm at 25°C - 2236.52-1Size:4 L Poly naturalCAS Number:7732-18-5,7647-14-5
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 90 - R2230090-500C
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 90 - R2230090-500CSize:500 mL Glass amberCAS Number:7732-18-5,7647-01-0,7791-13-1,16921-30-5
Chloride Standard, 5000 ppm Cl? - 1958-16
Chloride Standard, 5000 ppm Cl? - 1958-16Size:500 mL Poly naturalCAS Number:7732-18-5,7647-14-5
Conductivity Standard, 1500 µS/cm at 25°C - 2236.53-32
Conductivity Standard, 1500 µS/cm at 25°C - 2236.53-32Size:1 L Poly naturalCAS Number:7732-18-5,7647-14-5
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 5 - 2230.005-4
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 5 - 2230.005-4Size:100 mL Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1
