ISO 6791:1981

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

Publication date: 1 nën 1981

General information

Current stage: 90.92 Effective date: 6 tet 2023

Originator: ISO

Owner: ISO/TC 226

Type: International Standard

ICS: 71.100.10

Gjuha: frëngjisht anglisht

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Statusi: Publikuar

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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
6 tet 2023

REVISED BY

IN_DEVELOPMENT
ISO/CD 6791

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