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ISO 418:2001

Photography — Processing chemicals — Specifications for anhydrous sodium sulfite ISO 418:2001

Publication date:   Dec 20, 2001

General information

90.93 Standard confirmed   Jun 5, 2021

ISO

ISO/TC 42 Photography

International Standard

37.040.30   Photographic chemicals

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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

PREVIOUSLY

WITHDRAWN
ISO 418:1994

NOW

PUBLISHED
ISO 418:2001
90.93 Standard confirmed
Jun 5, 2021