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ISO 10636:1994

Photography — Processing chemicals — Specifications for anhydrous sodium thiosulfate and sodium thiosulfate pentahydrate ISO 10636:1994

Publication date:   Apr 21, 1994

General information

90.93 Standard confirmed   Jun 5, 2021

ISO

ISO/TC 42 Photography

International Standard

37.040.30   Photographic chemicals

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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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 419:1972

WITHDRAWN
ISO 3300:1976

NOW

PUBLISHED
ISO 10636:1994
90.93 Standard confirmed
Jun 5, 2021