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Chemical and physical requirements and test methods to establish levels of purity.
Status
Withdrawn
Title
Specification for photographic grade aluminium potassium sulphate, dodecahydrate (potash alum)
Publisher
BSI
Committee
CPW/42
Pages
8
Publication Date
1978-04-28
Withdrawn Date
1995-08-15
Replaced By
BS ISO 3620:1994
ISBN
0 580 10061 8
Standard Number
BS 3312:1978, ISO 3620-1976
Identical National Standard Of
ISO 3620
Descriptors
Hydrates, Potassium inorganic compounds, Photographic materials, Volumetric analysis, Photographic chemicals, Colour tests, Purity, Determination of content, Potash alum, Alums, Chemical analysis and testing
