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Homepage>ISO 2480:1972-Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
sklademVydáno: 1972
ISO 2480:1972-Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method

ISO 2480:1972

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

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Označení normy:ISO 2480:1972
Počet stran:2
Vydání:1
Vydáno:1972
DESCRIPTION

ISO 2480:1972


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.
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