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