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ISO 3241:1975

Sodium sulphate for industrial use — Measurement of pH — Potentiometric method ISO 3241:1975

Publication date:   Jun 1, 1975

95.99   Withdrawal of Standard   May 27, 2002

General information

95.99   Withdrawal of Standard   May 27, 2002

ISO

ISO/TC 47 Chemistry

International Standard

71.060.50   Salts

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Withdrawn

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Scope

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.

Life cycle

NOW

WITHDRAWN
ISO 3241:1975
95.99 Withdrawal of Standard
May 27, 2002




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