Abstract / scope
Measurement of the pH of a 10 g/l solution. Uses a pH meter fitted with a glass measuring electrode and a calomel reference electrode. Sensitivity 0.05 pH unit.
ISO 851:1976Withdrawn
Sodium tripolyphosphate for industrial use — Measurement of pH — Potentiometric method
Tripolyphosphate de sodium à usage industriel — Mesurage du pH — Méthode potentiométrique