ISO 992:1975
Potassium hydroxide for industrial use — Determination of chlorides content — Mercurimetric method
Reference number
ISO 992:1975
ISO 992:1975
Edition 1
1975-02
1975-02
© ISO 2024
Withdrawn
Abstract
The method is applicable to products the chloride content of which is greater than 25 mg/kg. The procedure is based on titration of the chloride ions with mercury(II) nitrate in the presence of diphenylcarbazone as indicator. - Replaces ISO Recommendation R 992-1969.
Life cycle
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