Conductivity Standard, 100 µS/cm at 25°C (47.2 ppm TDS as NaCl) Material: Name CAS Grade Water 7732-18-5 ACS/ASTM/USP/EP Sodium Chloride 7647-14-5 ACS <
Conductivity Standard, 1000 µS/cm at 25°C (495 ppm TDS as NaCl) Material: Name CAS Grade Water 7732-18-5 ACS/ASTM/USP/EP Sodium Chloride 7647-14-5 ACS <