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ISO 17531:2002

Photography — Processing chemicals — Specifications for 4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate

Publication date:   Jun 20, 2002

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 4-(N-ethyl-N-2-methanesulfonyl-aminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate and specifies the test methods to be used to determine the purity.

Life cycle

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PUBLISHED
ISO 17531:2002
90.93 Standard confirmed
Jun 5, 2021