Résumé
The method is applicable to products yielding a quantity of sulphated ash equal to or less than 0.5 % (m/m). The principle is based on combustion of a test portion and calcination of the residue in the presence of sulphuric acid in a platinum or porcelain dish between 800 °C and 850 °C. Weighing of the residue thus obtained. - Replaces ISO Recommendation R 1616-1970.
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État actuel: AnnuléeDate de publication: 1976-02
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Edition: 1Nombre de pages: 2
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- ICS :
- 71.080.60 Alcools. Éthers
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