Sodium carbonate for industrial use — Determination of matter insoluble in water at 50 degrees C
NORM herausgegeben am 1.2.1976
Bezeichnung normen: ISO 746:1976
Ausgabedatum normen: 1.2.1976
Zahl der Seiten: 2
Gewicht ca.: 6 g (0.01 Pfund)
Land: Internationale technische Norm
Kategorie: Technische Normen ISO
Description / Abstract: The principle of the method consists in dissolution of a test portion and filtration of the solution through a tared filter. Washing of the insoluble matter at approximately 50 C until the washings are no longer alkaline. Drying of the residue and weighing. Replaces ISO Recommendation R 746-1968.