International Standard
ISO 6791:1981
Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of contents of quinoline-insoluble material
Reference number
ISO 6791:1981
Edition 1
1981-11
© ISO 2024
International Standard
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Published (Edition 1, 1981)
This standard was last reviewed and confirmed in 2020. Therefore this version remains current.

ISO 6791:1981

Format
Language
CHF 42
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Abstract

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.

General information

  • Status
     : Published
    Publication date
     : 1981-11
    Stage
    : International Standard to be revised [90.92]
  • Edition
     : 1
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 226
    ICS :
    71.100.10 
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Life cycle

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This standard contributes to the following Sustainable Development Goals

8
Decent Work and Economic Growth
9
Industry, Innovation and Infrastructure

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