ISO 3694:1977
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Ammonium sulphate for industrial use — Determination of chloride ions content — Potentiometric method
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05-04-2019
English, French
01-12-1977
Applicable to products having chloride ion contents of equal to or more than 0.0005 % (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 referende electrode.
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