Reference number
ISO 904:1976
ISO 904:1976
© ISO 2024
International Standard
ISO 904:1976
Hydrochloric acid for industrial use — Determination of total acidity — Titrimetric method
Edition 1
1976-11
1976-11
ISO 904:1976
5308
Published
(Edition 1, 1976)
This publication was last reviewed and confirmed in 2023.
Therefore this version remains current.
Abstract
The principle consists in titration of a test portion with a standard volumetric solution of sodium hydroxide in presence of bromcresol green as indicator. Replaces ISO Recommendation R 904-1968.
Life cycle
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