Résumé
Fire assaying comprises the following steps: crucible fusion, cupellation, parting (followed by flame atomic absorption spectrometry), retreatment, correction for blank contamination. The method is applicable for copper sulfide concentrates containing 15 % (m/m) to 60 % (m/m) copper, mainly in the form of chalcopyrite and related sulfide minerals, and gold contents from 0,5 g/t to 300 g/t and silver contents from 25 g/t to 1500 g/t.
Informations générales
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État actuel: AnnuléeDate de publication: 1994-06Stade: Annulation de la Norme internationale [95.99]
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Edition: 1Nombre de pages: 28
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Comité technique :ISO/TC 183ICS :73.060.99
- RSS mises à jour
Cycle de vie
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Actuellement
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Révisée par
AnnuléeISO 10378:2005