
Sodium carbonate for industrial use — Determination of total soluble alkalinity — Titrimetric method
NORM herausgegeben am 1.2.1976
Bezeichnung normen: ISO 740:1976
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: Specifies a titrimetric test method for the determination of the basicity of soluted material. The principle of the procedure consists in solution of a test portion in water, filtration of the solution and titration with a standard volumetric solution of hydrochloric acid in presence of methyl orange as indicator. Repaces ISO Recommendation R 740-1968.