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
Publicado
(Edición 1, 1976)
Esta publicación se revisó y confirmó por última vez en 2023.
Por lo tanto, esta versión es la actual.
Resumen
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.