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ISO 5990:2000Published

Photography — Processing chemicals — Specifications for potassium sulfite, 650 g/l solution

Photographie — Produits chimiques de traitement — Spécifications relatives au sulfite de potassium en solution à 650 g/l

Abstract / scope

This International Standard establishes criteria for the purity of photographic-grade potassium sulfite, 650 g/I

aqueous solution, and specifies the tests to be used to determine the purity.

Life cycle

Replaces

ISO 5990:1996WithdrawnPhotography — Processing chemicals — Specifications for potassium sulfite, 650 g/l aqueous solutionInternational Standard · Published 17 Oct 1996 · ISO/TC 42