ISO 3241:1975

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

Relates to measurement at 20 0C of a solution. Preparation of a 10 g/l solution. Uses a pH meter fitted with a glass measuring electrode and a calomel reference electrode. The calibration of the pH meter is carried out at (20 1) 0C using buffer solutions; sensitivity 0,05 pH units.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

71.060.50

Statut:

Annulée

Date de Publication:

1975-05-31

Numéro Standard:

ISO 3241:1975