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ISO 5990:2000

Photography — Processing chemicals — Specifications for potassium sulfite, 650 g/l solution ISO 5990:2000

Publication date:   Dec 21, 2000

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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Published

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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

PREVIOUSLY

WITHDRAWN
ISO 5990:1996

NOW

PUBLISHED
ISO 5990:2000
90.93 Standard confirmed
Jun 5, 2021