Abstract / scope
The method is applicable to ferrosilicon having an aluminium content between 0,05 and 5 % (m/m). Specifies principle, reagents, apparatus, sample, procedure, expression of results and test report. Warns of perchloric acid fumes.
ISO 4139:1979Published
Ferrosilicon — Determination of aluminium content — Flame atomic absorption spectrometric method
Ferro-silicium — Dosage de l'aluminium — Méthode par spectrométrie d'absorption atomique dans la flamme