Abstract Preview

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
  • Edition : 1
    Number of pages : 3
  • :
    ISO/TC 226
    Materials for the production of primary aluminium
  • 71.100.10
    Materials for aluminium production

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  • Now under review
    ISO 6791:1981

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