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ISO 4139:1979

M00003209

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ISO 4139:1979 Ferrosilicon - Determination of aluminium content - Flame atomic absorption spectrometric method

standard by International Organization for Standardization, 05/01/1979

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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.