Active standard | Published: 01/11/1976

ISO 904:1976

Hydrochloric acid for industrial use — Determination of total acidity — Titrimetric method
(Acide chlorhydrique a usage industriel — Détermination de l´acidité totale — Méthode titrimétrique)

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Detail information

Designation: ISO 904:1976

Publication date: 01/11/1976

Pages: 2

Country: International technical standard

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Anotation

Description / 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.

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