Reference number
ISO 742:1973
© ISO 2024
ISO 742:1973
Sodium carbonate for industrial use — Determination of chloride content — Mercurimetric method
Edition 1
1973-02
Withdrawn
Withdrawn (Edition 1, 1973)

Abstract

The method is applicable to products of which the sodium chloride content is greater than 0,005 % (m/m). The prinziple consists in titration of the chloride ion with mercury(II) nitrate solution in the presence of diphenylcarbazone as indicator. Cancels and replaces ISO Recommendation R 742-1968.

General information

  • Status
     : Withdrawn
    Publication date
     : 1973-02
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 2
  • Technical Committee :
    ISO/TC 47
    ICS :
    71.060.50 
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