Résumé
The principle in dissolution of a test portion and separation of the insoluble matter. Precipitation of sulphate as barium sulphate in dilute hydrochloric acid medium. Separation of the precipitate obtained and ignition at 800 °C +- 25 °C and weighing. The method is applicable to products having a sodium sulphate content equal to or greater than 0,01 % (m/m). Replaces ISO Recommendation R 743-1968.
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État actuel: AnnuléeDate de publication: 1976-02
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Edition: 1Nombre de pages: 3
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- ICS :
- 71.060.50 Sels
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