Reference number
ISO 3943:1993
© ISO 2024
International Standard
ISO 3943:1993
Photography — Processing chemicals — Specifications for anhydrous sodium acetate
Edition 2
1993-02
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Published (Edition 2, 1993)
This publication was last reviewed and confirmed in 2020. Therefore this version remains current.

ISO 3943:1993

Language
Format
CHF 42
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Abstract

Establishes criteria for the purity of photographic-grade anhydrous sodium acetate and describes the tests to be used to determine the purity. The test methods are concerned with assay, insoluble matter content, heavy metals content, iron content, halides content, alkalinity, acidity, appearance of solution.

General information

  • Status
     : Published
    Publication date
     : 1993-02
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 2
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 42
    ICS :
    37.040.30 
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