Sodium and potassium silicates for industrial use — Determination of total alkalinity — Titrimetric method
NORM herausgegeben am 1.4.1976
Bezeichnung normen: ISO 1692:1976
Ausgabedatum normen: 1.4.1976
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 procedure based on titration of a test portion with a standard volumetric hydrochloric acid solution, in the presence of methyl orange as indikator. The alkalinity is expressed as a percentage by mass of sodium oxide potassium oxide.