ISO 2762:1973
Hydrochloric acid for industrial use; Determination of soluble sulphates; Turbidimetric method

Standard No.

ISO 2762:1973

Release Date

1973

Published By

International Organization for Standardization (ISO)

Latest

ISO 2762:1973

Scope

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.

ISO 2762:1973 history

• 1973 ISO 2762:1973 Hydrochloric acid for industrial use; Determination of soluble sulphates; Turbidimetric method