Résumé
The method serves for the determination of siliceous impurities, together with the silica endogenous to the plant. It cancels and replaces ISO Recommendation R 763-1971, of which it constitutes a technical revision. It consists in incinerating of a test portion at 525 °C, and separating of the mineral matter insoluble in dilute hydrochloric acid solution. The method for the determination of mineral impurities, generally originating from the soil, is described in ISO 762.
Informations générales
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État actuel: AnnuléeDate de publication: 1982-03Stade: Annulation de la Norme internationale [95.99]
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Edition: 1Nombre de pages: 2
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Comité technique :ISO/TC 34/SC 3ICS :67.080.01
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Cycle de vie
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Actuellement
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Révisée par
PubliéeISO 763:2003