ISO/DIS 6791

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

General information

Current stage: 40.60 Effective date: 11 dhj 2025

Originator: ISO

Owner: ISO/TC 226

Type: 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/DIS 6791
40.60 Close of voting
11 dhj 2025