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ISO 742:1973

Sodium carbonate for industrial use — Determination of chloride content — Mercurimetric method ISO 742:1973

Publication date:   Feb 1, 1973

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

The method is applicable to products of which the sodium chloride content is greater than 0,005 % (m/m). The prinziple consists in titration of the chloride ion with mercury(II) nitrate solution in the presence of diphenylcarbazone as indicator. Cancels and replaces ISO Recommendation R 742-1968.

Life cycle

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WITHDRAWN
ISO 742:1973
95.99 Withdrawal of Standard
May 27, 2002




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