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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
Conductivity Standard, 3500 µS/cm at 25°C - R2244350-20F
Conductivity Standard, 3500 µS/cm at 25°C - R2244350-20FSize:20 L CubitainerCAS Number:7732-18-5,7647-14-5
Conductivity Standard, 1250 µS/cm at 25°C - R2236515-1A
Conductivity Standard, 1250 µS/cm at 25°C - R2236515-1ASize:1 L Poly naturalCAS Number:7732-18-5,7647-14-5
Conductivity Standard, 2500 µS/cm at 25°C - 2244.25-32
Conductivity Standard, 2500 µS/cm at 25°C - 2244.25-32Size:1 L Poly naturalCAS Number:7732-18-5,7647-14-5
Conductivity Standard, 500,000 µS/cm (500 mS/cm) at 25°C - 2249.50-1
Conductivity Standard, 500,000 µS/cm (500 mS/cm) at 25°C - 2249.50-1Size:4 L Poly naturalCAS Number:7732-18-5,7647-01-0
Sodium Chloride Conductivity Standard, 125,000 µS/cm (125 mS/cm) at 25°C - R2249125-1A
Sodium Chloride Conductivity Standard, 125,000 µS/cm (125 mS/cm) at 25°C - R2249125-1ASize:1 L Poly naturalCAS Number:7732-18-5,7647-14-5
Conductivity Standard, 200,000 µS/cm (200 mS/cm) at 25°C - 2249.20-16
Conductivity Standard, 200,000 µS/cm (200 mS/cm) at 25°C - 2249.20-16Size:500 mL Poly naturalCAS Number:7732-18-5,7647-14-5
Conductivity Standard, 229 µS/cm at 25°C - R2236330-4A
Conductivity Standard, 229 µS/cm at 25°C - R2236330-4ASize:4 L Poly naturalCAS Number:7732-18-5,7647-14-5
Conductivity Standard, 175,000 µS/cm (175 mS/cm) at 25°C - 2249.175-1
Conductivity Standard, 175,000 µS/cm (175 mS/cm) at 25°C - 2249.175-1Size:4 L Poly naturalCAS Number:7732-18-5,7647-14-5
Conductivity Standard, 3500 µS/cm at 25°C - R2244350-500A
Conductivity Standard, 3500 µS/cm at 25°C - R2244350-500ASize:500 mL Poly naturalCAS Number:7732-18-5,7647-14-5
Conductivity Standard, 250,000 µS/cm (250 mS/cm) at 25°C - R2249250-1A
Conductivity Standard, 250,000 µS/cm (250 mS/cm) at 25°C - R2249250-1ASize:1 L Poly naturalCAS Number:7732-18-5,7647-01-0
Conductivity Standard, 2820 µS/cm at 25°C - R2244282-500A
Conductivity Standard, 2820 µS/cm at 25°C - R2244282-500ASize:500 mL Poly naturalCAS Number:7732-18-5,7647-14-5
Conductivity Standard, 5000 µS/cm at 25°C (2620 ppm TDS as NaCl) - 2245-1
Conductivity Standard, 5000 µS/cm at 25°C (2620 ppm TDS as NaCl) - 2245-1Size:4 L Poly naturalCAS Number:7732-18-5,7647-14-5
Conductivity Standard, 1200 µS/cm at 25°C - 2236.51-1
Conductivity Standard, 1200 µS/cm at 25°C - 2236.51-1Size:4 L Poly naturalCAS Number:7732-18-5,7647-14-5
Conductivity Standard, 3900 µS/cm at 25°C (2012 ppm TDS as NaCl) - 2244.39-1
Conductivity Standard, 3900 µS/cm at 25°C (2012 ppm TDS as NaCl) - 2244.39-1Size:4 L Poly naturalCAS Number:7732-18-5,7647-14-5
Copper Standard, 20 ppm Cu - 2290-16
Copper Standard, 20 ppm Cu - 2290-16Size:500 mL Poly naturalCAS Number:7732-18-5,7697-37-2,7758-99-8
Conductivity Standard, 3000 µS/cm at 25°C (1534 ppm TDS as NaCl) - 2244.50-1
Conductivity Standard, 3000 µS/cm at 25°C (1534 ppm TDS as NaCl) - 2244.50-1Size:4 L Poly naturalCAS Number:7732-18-5,7647-14-5
