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
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Status : WithdrawnPublication date : 1976-09
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Edition : 1Number of pages : 5
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- ICS :
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Materials for aluminium production
Life cycle
A standard is reviewed every 5 years
Revisions / Corrigenda
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Now withdrawn
ISO 1617:1976
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