Résumé
The principle of the method consists inevaporation of a test portion in a platinum dish, conversion of the residue to sulphates by treatment with sulphuric acid; ignition in an electric furnace, controlled at (800 +- 25) °C, and weighing. Replaces ISO Recommendation R 1983-1971.
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État actuel: AnnuléeDate de publication: 1977-11
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Edition: 1Nombre de pages: 2
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- ICS :
- 71.060.30 Acides
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