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ISO 6997:1985
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ISO 6997:1985 Carbonaceous materials for the production of aluminium -- Calcined coke -- Determination of apparent oil content -- Heating method
standard by International Organization for Standardization, 06/01/1985
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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.