Photography — Processing chemicals — Specifications for ammonium thiosulfate solution
NORM herausgegeben am 8.12.1994
Designation standards: ISO 3619:1994-ed.2.0
Publication date standards: 8.12.1994
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: International technical standard
Kategorie: Technische Normen ISO
Description / Abstract: Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade ammonium thiosulfate solution and specifies the tests to be used to determine the purity.