ISO 851:1976

Sodium tripolyphosphate for industrial use — Measurement of pH — Potentiometric method

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.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

71.060.50

Statut:

Annulée

Date de Publication:

1976-10-31

Numéro Standard:

ISO 851:1976