Active standard | Published: 01/11/1973

ISO 2762:1973

Hydrochloric acid for industrial use — Determination of soluble sulphates — Turbidimetric method
(Acide chlorhydrique a usage industriel — Dosage des sulfates solubles — Méthode turbidimétrique)

Available languages: English, French

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Detail information

Designation: ISO 2762:1973

Publication date: 01/11/1973

Pages: 3

Country: International technical standard

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Anotation

Description / Abstract: The turbidimetric method is applicable to products containing less than 0.1 % (m/m) of soluble sulphates. The principle consists in evaporation of a test portion to dryness and solution of the residue in hydrochloric acid. Measurement of the turbidity obtained by precipitation, under well defined conditions, of barium sulphate. Has also been approved by the IUPAC.

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