Reference number
ISO 3121:1976
© ISO 2024
ISO 3121:1976
Boric acid, boric oxide and disodium tetraborates for industrial use — Determination of chloride content — Mercurimetric method
Edition 1
1976-04
Withdrawn
Withdrawn (Edition 1, 1976)

Abstract

The principle consists in titration of the cloride ions with standard volumetric mercury(II) nitrate solution in presence of diphenylcarbazone as indicator until the colour of the solution matches the mauve of the standard end-point matching solution.

General information

  • Status
     : Withdrawn
    Publication date
     : 1976-04
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 47
    ICS :
    71.060.01 
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