Reference number
ISO 3333:1975
© ISO 2024
ISO 3333:1975
Ammonium sulphate for industrial use — Determination of copper content — Zinc dibenzyldithiocarbamate photometric method
Edition 1
1975-07
Withdrawn
Withdrawn (Edition 1, 1975)

Abstract

Applicable to products of which the Cu content is more than 0,1 mg/kg. The detection bases on the formation of a coloured complex of copper and of zinc dibenzyldithiocarbamate and photometric measurement at a wavelength of about 435 nm.

General information

  • Status
     : Withdrawn
    Publication date
     : 1975-07
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 47
    ICS :
    71.060.50 
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