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ISO 2762:1973

Hydrochloric acid for industrial use — Determination of soluble sulphates — Turbidimetric method

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 2762:1973
Document Year: 1973
Pages: 3
Edition: 1

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ISO 2762:1973
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