Reference number
ISO 992:1975
© ISO 2024
ISO 992:1975
Potassium hydroxide for industrial use — Determination of chlorides content — Mercurimetric method
Edition 1
1975-02
Withdrawn
Withdrawn (Edition 1, 1975)

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.

General information

  • Status
     : Withdrawn
    Publication date
     : 1975-02
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 2
  • Technical Committee :
    ISO/TC 47
    ICS :
    71.060.40 
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