Abstract / 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.
ISO 2487:1973Withdrawn
Potassium sulphate for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
Sulfate de potassium à usage industriel — Dosage des sulfates — Méthode gravimétrique à l'état de sulfate de baryum