Résumé
The method consists in heating a test portion until all organic matter is decomposed and a clear solution is obtained, either with sulphuric acid and nitric acid and in certain cases with hydrogen peroxide, or with sulphuric acid and nitric acid with the addition of perchloric acid.
Informations générales
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État actuel: PubliéeDate de publication: 1979-02Stade: Norme internationale confirmée [90.93]
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Edition: 1Nombre de pages: 4
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Comité technique :ISO/TC 34/SC 3ICS :67.080.01
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