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ISO 3708:1976

Phosphoric acid for industrial use (including foodstuffs) — Determination of chloride content — Potentiometric method ISO 3708:1976

Publication date:   Nov 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

67.220.20   Food additives | 71.060.30   Acids

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Scope

Applicable to products having Cl- contents, expressed as chlorine, equal to or more than 0.001 % (m/m). The lower limit can be extended downwards by using weaker standard reference and volumetric solutions. Describes potentiometric titration of the ions with silver nitrate solution in a nitric acid-acetone-water medium using a silver measurement electrode and a calomel reference electrode.

Life cycle

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WITHDRAWN
ISO 3708:1976
95.99 Withdrawal of Standard
May 27, 2002