Abstract 

The method is applicable to sodium contents equal to or greater than 0.05 % (m/m). The principle of the procedure consists in the fusion, at a controlled temperature, of a test portion with a mixture oflithium carbonate and boron trioxide or a mixture of lithium carbonate and lithium tetraborate. Dissolution of the fused mass in hydrochloric acid. Aspiration of the solution into a flame and spectrophotometric measurement of the intensity of the light emitted at a wavelength of 589 nm. - Replaces ISO Recommendation R 1617-1970.


General information

  • Status :  Withdrawn
    Publication date : 1976-09
  • Edition : 1
    Number of pages : 5
  • Technical Committee
    :
    ISO/TC 226
    Materials for the production of primary aluminium
  • ICS :
    71.100.10
    Materials for aluminium production

Life cycle

A standard is reviewed every 5 years



Revisions / Corrigenda

  • Now withdrawn
    ISO 1617:1976

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