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ISO 6791:1981

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

Standard Details

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
Standard Type: Main
Document No: ISO 6791:1981
Document Year: 1981
Pages: 3
Edition: 1
  • Section Volume:
  • ISO/TC 226. Materials for the production of primary aluminium
  • ICS:
  • 71.100.10 Materials for aluminium production

Life Cycle

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ISO 6791:1981
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