+91 80984 42953 hello@sascert.in
Verify a certificate ISO standards library Download brochure
ISO 419:1972Withdrawn

Photographic grade sodium thiosulphate, crystalline — Specification

Thiosulfate de sodium cristallisé de qualité photographique — Spécifications

This edition has been replaced by ISO 10636:1994.

Abstract / scope

No abstract published for this document yet.

Life cycle

Replaced by

ISO 10636:1994PublishedPhotography — Processing chemicals — Specifications for anhydrous sodium thiosulfate and sodium thiosulfate pentahydrateInternational Standard · Published 21 Apr 1994 · ISO/TC 42