Abstract / scope
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.
ISO 10636:1994Published
Photography — Processing chemicals — Specifications for anhydrous sodium thiosulfate and sodium thiosulfate pentahydrate
Photographie — Produits chimiques de traitement — Spécifications relatives au thiosulfate de sodium anhydre et au thiosulfate de sodium pentahydraté