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ISO 10636:1994

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

General information
Valid from 21.04.1994
Directives or regulations
None

Standard history

Status
Date
Type
Name
21.04.1994
Main
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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Standard monitoring