Photography -- Processing chemicals -- Specifications for aluminium potassium sulfate
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This standard was last reviewed* in 2016.
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.
Document published on: 1994-12-15 Edition: 2 (Monolingual) ICS: 37.040.30 Status: Published Stage: 90.93 (2016-06-17) TC/SC: ISO/TC 42 Number of Pages: 4
Revises: ISO 3620:1976
No corrigenda or amendments available