Photography — Processing chemicals — Specifications for anhydrous sodium acetate
NORMA vydaná dňa 28.1.1993
Označenie normy: ISO 3943:1993-ed.2.0
Dátum vydania normy: 28.1.1993
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / Abstract: Establishes criteria for the purity of photographic-grade anhydrous sodium acetate and describes the tests to be used to determine the purity. The test methods are concerned with assay, insoluble matter content, heavy metals content, iron content, halides content, alkalinity, acidity, appearance of solution.