Reference number
ISO 3629:2000
© ISO 2025
International Standard
ISO 3629:2000
Photography — Processing chemicals — Specifications for potassium metabisulfite
Edition 3
2000-12
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Published (Edition 3, 2000)
This publication was last reviewed and confirmed in 2021. Therefore this version remains current.

Abstract

This International Standard establishes criteria for the purity of photographic-grade potassium metabisulfite and

specifies the tests to be used to determine the purity.

General information

  • Status
     : Published
    Publication date
     : 2000-12
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 3
    Number of pages
     : 6
  • Technical Committee :
    ISO/TC 42
    ICS :
    37.040.30 
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