ISO 2480:1972

Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
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.
OEN:
ISO
Langue:
English
Code(s) de l'ICS:
71.060.50
Statut:
Publié
Date de Publication:
1972-11-30
Numéro Standard:
ISO 2480:1972