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Conductivity standard solutions for analyses in the laboratory and in the field Natural... more
Conductivity standard solutions for analyses in the laboratory and in the field
Natural water standard solution. 40 % sodium sulphate/40 % sodium bicarbonate/20 % sodium chloride. TDS: 300 ppm ± 3 ppm, conductivity: 445 µS/cm ± 4.5 µS/cm at 25 °C. 500 mL bottle.
- Traceable to NIST standard reference materials.
- Designed for use with Hach portfolio and other measuring instruments
- Reliable packaging
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