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ISO 3624:1994

Photography — Processing chemicals — Specifications for potassium ferricyanide

Oct 13, 1994

General information

90.93     Jun 6, 2026

ISO

ISO/TC 42

International Standard

37.040.30  

English  

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Published

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Scope

Cancels and replaces the first edition (1976). Lays down criteria for the purity of photographic-grade potassium ferricyanide and describes the tests to be used to determine the purity.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 3624:1976

NOW

PUBLISHED
ISO 3624:1994
90.93 Standard confirmed
Jun 6, 2026