ISO 2487:1973

Potassium sulphate for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
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.
SDO:
ISO
Language:
English
ICS Codes:
71.060.50
Status:
Withdrawn
Publish date:
1973-03-31
Standard Number:
ISO 2487:1973