Résumé
The principle of the method consists in evaporation of a test portion; conversion of the salts in sulphates by treatment with sulphuric acid. Ignition in an electric furnace, maintained at (800 +- 50) °C, and weighing. Replaces ISO Recommendation R 907-1968.
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État actuel: AnnuléeDate de publication: 1976-11
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Edition: 1Nombre de pages: 2
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- ICS :
- 71.060.30 Acides
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