ISO 3693:1977

Nitric acid 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

71.060.30   Acids

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Scope

Applicable to products having chloride contents equal or more than 0,0002 % (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 reference electrode.

Life cycle

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WITHDRAWN
ISO 3693:1977
95.99 Withdrawal of Standard
May 27, 2002