ISO 2487:1973
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Potassium sulphate for industrial use Determination of sulphate content Barium sulphate gravimetric method
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
15-05-2019
English, French
01-04-1973
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.
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