ISO 904:1976
Hydrochloric acid for industrial use; Determination of total acidity; Titrimetric method

Standard No.

ISO 904:1976

Release Date

1976

Published By

International Organization for Standardization (ISO)

Latest

ISO 904:1976

Scope

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.

ISO 904:1976 history

• 1976 ISO 904:1976 Hydrochloric acid for industrial use; Determination of total acidity; Titrimetric method