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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.
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Chemicals & Reagents
Reference Standards
Chloride/Sulfate IC Standard, 2 ppm Cl, 2 ppm SO? - R1962020-50A
Chloride/Sulfate IC Standard, 2 ppm Cl, 2 ppm SO? - R1962020-50ASize:50 mL Poly naturalCAS Number:7732-18-5,7757-82-6,7647-14-5
Chloride Standard, 100,000 ppm Cl? (2.82 Normal) - 1956-16
Chloride Standard, 100,000 ppm Cl? (2.82 Normal) - 1956-16Size:500 mL Poly naturalCAS Number:7732-18-5,7647-14-5
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 350 - 2230.350-16
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 350 - 2230.350-16Size:500 mL Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 150 - 2230.150-16
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 150 - 2230.150-16Size:500 mL Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 500 - 2230-4
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 500 - 2230-4Size:120 mL Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 10 - 2230.5-16
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 10 - 2230.5-16Size:500 mL Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1
Conductivity Standard, 11,030 µS/cm (11.03 mS/cm) at 25°C - R2246110-20F
Conductivity Standard, 11,030 µS/cm (11.03 mS/cm) at 25°C - R2246110-20FSize:20 L CubitainerCAS Number:7732-18-5,7647-14-5
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 15 - 2230.015-8
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 15 - 2230.015-8Size:250 mL Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1
Chloride Standard, 20,000 ppm Cl? - R1955200-1A
Chloride Standard, 20,000 ppm Cl? - R1955200-1ASize:1 L Poly naturalCAS Number:7732-18-5,7647-14-5
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 450 - 2230.450-16
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 450 - 2230.450-16Size:500 mL Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 10 - 2230.5-1
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 10 - 2230.5-1Size:4 L Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 5 - 2230.005-1
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 5 - 2230.005-1Size:4 L Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1
Chemical Oxygen Demand Standard, 300 ppm COD - 2228-32
Chemical Oxygen Demand Standard, 300 ppm COD - 2228-32Size:1 L Poly naturalCAS Number:7732-18-5,877-24-7
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 3 - 2230.003-4
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 3 - 2230.003-4Size:100 mL Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 400 - 2230.400-4
Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 400 - 2230.400-4Size:120 mL Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1
Color Standard Stock, APHA 500, Modified - R2229950-1C
Color Standard Stock, APHA 500, Modified - R2229950-1CSize:1 L Glass amberCAS Number:7732-18-5,7647-01-0,16921-30-5,7791-13-1
