Abstract / 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 904:1976Published
Hydrochloric acid for industrial use — Determination of total acidity — Titrimetric method
Acide chlorhydrique à usage industriel — Détermination de l'acidité totale — Méthode titrimétrique