Codes & Standards - Purchase
ISO 2480:1972
Sodium chloride for industrial use -- Determination of sulphate content -- Barium sulphate gravimetric method
SKU: iso_007400_102256
Published by ISO
Publication Year 1972
1 Edition
2 pages
Product Details
The method is applicable to water soluble sulphate, in the product, but also to sulphates in a principal solution prepared in an acid medium. The principle consists in dissolution of a test portion and separation of the insoluble residue. Precipitation of the sulphate ions by barium chloride in a boiling acid medium. Filtration, washing and ignition of the precipitate. Weighing of the residue.