ISO/CD 6791

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

General information

30.00 Committee draft (CD) registered   Oct 6, 2023

ISO

ISO/TC 226 Materials for the production of primary aluminium

International Standard

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

PREVIOUSLY

PUBLISHED
ISO 6791:1981

NOW

IN_DEVELOPMENT
ISO/CD 6791
30.00 Committee draft (CD) registered
Oct 6, 2023