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download between 0-24 hoursReleased: 1979
ISO 4139:1979
ISO 4139:1979-Ferrosilicon — Determination of aluminium content — Flame atomic absorption spectrometric method
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| Standard´s number: | ISO 4139:1979 |
| Pages: | 3 |
| Edition: | 1 |
| Released: | 1979 |
DESCRIPTION
ISO 4139:1979
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.