ISO 2487:1973

Potassium sulphate for industrial use — Determination of sulphate content — Barium sulphate gravimetric method ISO 2487:1973

Publication date:   Apr 1, 1973

95.99 Withdrawal of Standard   May 27, 2002

General information

95.99 Withdrawal of Standard   May 27, 2002

ISO

ISO/TC 47 Chemistry

International Standard

71.060.50   Salts

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Scope

The principle consists in dissolution of a test portion and precipitation of the sulphate ions by barium chloride in boiling acid medium. Filtration, washing and ignition of the precipitate. Weighing the barium sulphate.

Life cycle

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WITHDRAWN
ISO 2487:1973
95.99 Withdrawal of Standard
May 27, 2002