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.

SDO:

ISO

Language:

English

ICS Codes:

71.060.50

Status:

Published

Publish date:

1972-11-30

Standard Number:

ISO 2480:1972