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ISO 2516:1973

Ammonium hydrogen carbonate for industrial use (including foodstuffs) — Determination of total alkalinity — Volumetric method ISO 2516:1973

Publication date:   Apr 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

67.220.20   Food additives | 71.060.50   Salts

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Scope

The principle of the analysis consists in acidification of a test solution by addition of an excess of standard volumetric sulphuric acid solution and back-titration with standard volumetric sodium hydroxide solution in the presence of methyl red- methylene blue mixed indicator.

Life cycle

NOW

WITHDRAWN
ISO 2516:1973
95.99 Withdrawal of Standard
May 27, 2002




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