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ISO 6997:1985Published

Carbonaceous materials for the production of aluminium — Calcined coke — Determination of apparent oil content — Heating method

Produits carbonés utilisés pour la production de l'aluminium — Coke calciné — Détermination de la teneur apparente en huile — Méthode par chauffage

Abstract / scope

A test portion is heated in a non-oxidizing atmosphere at a fixed temperature and the loss of mass is determined. The apparent oil content is calculated in terms of loss of mass. To ensure a non-oxidizing atmosphere, some drops of toluene are added to the crucibles.