Photography — Processing chemicals — Specifications for potassium metabisulfite
NORMA vydána dne 21.12.2000
Designation standards: ISO 3629:2000-ed.3.0
Publication date standards: 21.12.2000
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: International technical standard
Kategorie: Technické normy ISO
Description / Abstract: This International Standard establishes criteria for the purity of photographic-grade potassium metabisulfite and specifies the tests to be used to determine the purity.