Sodium and potassium silicates for industrial use — Determination of total alkalinity — Titrimetric method
NORMA vydána dne 1.4.1976
Designation standards: ISO 1692:1976
Publication date standards: 1.4.1976
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: International technical standard
Kategorie: Technické normy 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.