Reference number
ISO 3694:1977
© ISO 2024
ISO 3694:1977
Ammonium sulphate for industrial use — Determination of chloride ions content — Potentiometric method
Edition 1
1977-12
Withdrawn
Withdrawn (Edition 1, 1977)

Abstract

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.

General information

  • Status
     : Withdrawn
    Publication date
     : 1977-12
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 4
  • Technical Committee :
    ISO/TC 47
    ICS :
    71.060.50 
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