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ISO 3121:1976

Boric acid, boric oxide and disodium tetraborates for industrial use — Determination of chloride content — Mercurimetric method ISO 3121:1976

Publication date:   Apr 1, 1976

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

71.060.01   Inorganic chemicals in general

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Scope

The principle consists in titration of the cloride ions with standard volumetric mercury(II) nitrate solution in presence of diphenylcarbazone as indicator until the colour of the solution matches the mauve of the standard end-point matching solution.

Life cycle

NOW

WITHDRAWN
ISO 3121:1976
95.99 Withdrawal of Standard
May 27, 2002




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