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ISO 6791:1981

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

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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.


SDO ISO: International Organization for Standardization
Document Number ISO 6791
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 47/SC 7
Publish Date Document Id Type View
Not Available ISO 6791:1981 Revision