ISO 2480:1972
Sodium chloride for industrial use; Determination of sulphate content; Barium sulphate gravimetric method

Standard No.

ISO 2480:1972

Release Date

1972

Published By

International Organization for Standardization (ISO)

Latest

ISO 2480:1972

Scope

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.

ISO 2480:1972 history

• 1972 ISO 2480:1972 Sodium chloride for industrial use; Determination of sulphate content; Barium sulphate gravimetric method