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 potassium sulfite, 650 g/I
aqueous solution, and specifies the tests to be used to determine the purity.
Status: PublishedPublication date: 2000-12
Edition: 3Number of pages: 7
Technical Committee: ISO/TC 42 Photography
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