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ISO 6997:1985

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

Publication date:   Jun 13, 1985

General information

90.93   Standard confirmed   Oct 27, 2025

ISO

ISO/TC 226 Materials for the production of primary aluminium

International Standard

71.100.10   Materials for aluminium production

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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.

Life cycle

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PUBLISHED
ISO 6997:1985
90.93 Standard confirmed
Oct 27, 2025