ISO 6997:1985
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Carbonaceous materials for the production of aluminium — Calcined coke — Determination of apparent oil content — Heating method
| Published By | Publication Date | Number of Pages |
| ISO | 1985-06 | 5 |
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.