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ISO 3943:1993

Photography — Processing chemicals — Specifications for anhydrous sodium acetate ISO 3943:1993

Publication date:   Jan 28, 1993

General information

90.93   Standard confirmed   Jun 5, 2025

ISO

ISO/TC 42 Photography

International Standard

37.040.30   Photographic chemicals

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Published

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Scope

Establishes criteria for the purity of photographic-grade anhydrous sodium acetate and describes the tests to be used to determine the purity. The test methods are concerned with assay, insoluble matter content, heavy metals content, iron content, halides content, alkalinity, acidity, appearance of solution.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 3943:1976

NOW

PUBLISHED
ISO 3943:1993
90.93 Standard confirmed
Jun 5, 2025




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