Reference number
ISO 418:2001
© ISO 2025
International Standard
ISO 418:2001
Photography — Processing chemicals — Specifications for anhydrous sodium sulfite
Edition 3
2001-12
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Published (Edition 3, 2001)
This publication was last reviewed and confirmed in 2021. Therefore this version remains current.

ISO 418:2001

Language
Format
CHF 65
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Abstract

This International Standard establishes criteria for the purity of photographic-grade anhydrous sodium sulfite and

specifies the tests to be used to determine the purity.

General information

  • Status
     : Published
    Publication date
     : 2001-12
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 3
    Number of pages
     : 7
  • Technical Committee :
    ISO/TC 42
    ICS :
    37.040.30 
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