ISO 3943:1993

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Photography -- Processing chemicals -- Specifications for anhydrous sodium acetate

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ISO 3943:1993

Photography -- Processing chemicals -- Specifications for anhydrous sodium acetate

PUBLISH DATE 1993
ISO 3943:1993

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
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