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ISO 418:2001Published

Photography — Processing chemicals — Specifications for anhydrous sodium sulfite

Photographie — Produits chimiques de traitement — Spécifications relatives au sulfite de sodium anhydre

Abstract / scope

This International Standard establishes criteria for the purity of photographic-grade anhydrous sodium sulfite and

specifies the tests to be used to determine the purity.

Life cycle

Replaces

ISO 418:1994WithdrawnPhotography — Processing chemicals — Specifications for anhydrous sodium sulfiteInternational Standard · Published 21 Apr 1994 · ISO/TC 42