ISO 3627:1994Withdrawn

Photography — Processing chemicals — Specifications for anhydrous sodium metabisulfite

Photographie — Produits chimiques de traitement — Spécifications pour le métadisulfite de sodium anhydre

This edition has been replaced by ISO 3627:2001.

Abstract / scope

Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade anhydrous sodium metabisulfite and describes the tests to be used to determine the purity.

Life cycle

Replaces

ISO 3627:1976WithdrawnPhotographic grade sodium metabisulphite, anhydrous — SpecificationInternational Standard · Published 1 May 1976 · ISO/TC 42

Replaced by

ISO 3627:2001PublishedPhotography — Processing chemicals — Specifications for anhydrous sodium metabisulfiteInternational Standard · Published 20 Dec 2001 · ISO/TC 42