ISO 3694:1977

Ammonium sulphate for industrial use — Determination of chloride ions content — Potentiometric method

Publication date:   Dec 1, 1977

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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Scope

Applicable to products having chloride ion contents of equal to or more than 0.0005 % (m/m). Potentiometric titration of the ions with silver nitrate solution in a nitric acid-acetone-water medium, using a silver measurement electrode and a calomel referende electrode.

Life cycle

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WITHDRAWN
ISO 3694:1977
95.99 Withdrawal of Standard
May 27, 2002