Determination of Aluminium and Sulfur in Ferromolybdenum
In determining aluminium and sulfur in ferromolybdenum, iron and molybdenum were removed by methyl isobutyl ketone extraction method. After the removal of iron and molybdenum, aluminium was determined gravimetrically or volumetrically by using oxine, by which 0.1-1 per cent aluminium in ferromolybdenum could be determined. By using methyl isobutyl ketone for ether, the danger of explosion caused by organic vapour and the interference of molybdenum could be avoided. Sulfur was determined gravimetrically as barium sulfate down to 0.005 per cent content of it. The present procedure is superior in its simplicity and in being free of the obstruction by molybdenum trioxide to the usual combustion method for sulfur.
- Science reports of the Research Institutes, Tohoku University. Ser. A, Physics, chemistry and metallurgy
Science reports of the Research Institutes, Tohoku University. Ser. A, Physics, chemistry and metallurgy 13 199-205, 1961