
Specification for photographic grade aluminium potassium sulphate, dodecahydrate (potash alum).
NORM herausgegeben am 28.4.1978
Designation standards: BS 3312:1978
Note: UNGÜLTIG
Publication date standards: 28.4.1978
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: British technical standard
Kategorie: Technische Normen BS