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ISO 6791:1981

Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of contents of quinoline-insoluble material ISO 6791:1981

Publication date:   Nov 1, 1981

General information

90.92 Standard to be revised   Oct 6, 2023

ISO

ISO/TC 226 Materials for the production of primary aluminium

International Standard

71.100.10   Materials for aluminium production

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Published

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Scope

Specifies a conventional gravimetric method for the determination. A test portion ist reated with quinoline in a beaker at 70 to 80 °C for 15 to 20 min. Then the dissolved test portion and the residue are brought to a Hartley funnel fitted with a filter pad, and are filtered. The washed and dried residue on the filter pad is weighed.

Life cycle

NOW

PUBLISHED
ISO 6791:1981
90.92 Standard to be revised
Oct 6, 2023

REVISED BY

IN_DEVELOPMENT
ISO/CD 6791