ISO 10636:1994

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

Publication date: Apr 21, 1994

General information

Current stage: 90.93 Effective date: Jun 5, 2021

Originator: ISO

Owner: ISO/TC 42

Type: International Standard

ICS: 37.040.30

Languages: French English

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Status: Published

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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

Revises
ISO 419:1972

Revises
ISO 3300:1976

NOW

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

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