Reference number
ISO 1692:1976
ISO 1692:1976
© ISO 2024
International Standard
ISO 1692:1976
Sodium and potassium silicates for industrial use — Determination of total alkalinity — Titrimetric method
Edition 1
1976-04
1976-04
ISO 1692:1976
6308
Published
(Edition 1, 1976)
This publication was last reviewed and confirmed in 2023.
Therefore this version remains current.
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.