This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
Establishes criteria for the purity of photographic-grade aluminium potassium sulfate dodecahydrate, AlK(SO4)2·12H2O, and specifies the tests to be used to determine the purity.
Status: PublishedPublication date: 1994-12
Corrected version (en): 1995-02
Edition: 2Number of pages: 4
Technical Committee: ISO/TC 42 Photography
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