ISO/TC 47 Chemie,
ISO/TC 47 Chemistry,
ISO/TC 47 Chimie,
ISO Internationale Organisation für Normung,
ISO International Organization for Standardization,
ISO Organisation Internationale de Normalisation
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Media type:
Standard
Title:
ISO 6997
:
Carbonaceous materials for the production of aluminium; Calcined coke; Determination of apparent oil content ; Heating method
Other titles:
Kohlenstoffhaltige Werkstoffe für die Aluminiumherstellung; kalzinierter Koks; Bestimmung des scheinbaren Ölgehaltes; Erhitzungsmethode
Produits carbonés utilisés pour la production de l'aluminium; Coke calciné; Détermination de la teneur apparente en huile; Méthode par chauffage
Description:
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.