This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
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.
Status: PublishedPublication date: 2002-06
Corrected version (en): 2003-06
Edition: 1Number of pages: 9
Technical Committee: ISO/TC 42 Photography
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