ISO 10636:1994

Current Revision
Photography -- Processing chemicals -- Specifications for anhydrous sodium thiosulfate and sodium thiosulfate pentahydrate

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ISO 10636:1994

Photography -- Processing chemicals -- Specifications for anhydrous sodium thiosulfate and sodium thiosulfate pentahydrate

PUBLISH DATE 1994
ISO 10636:1994

Specifies the purity requirements and describes the test methods for:

  • insoluble matter,
  • heavy metals content,
  • iron,
  • alkalinity,
  • acidity,
  • sulfide content,
  • pH value,
  • appearance of solution.
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