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Quantitative Determination of Si, Al, Ti, and Fe in Laterites and Bauxites by X-ray Fluorescence Using a Computer for Correction of Interelement Effects
Volume 33, Number 6 (Dec. 1979) Page 634-637
A method for the quantitative determination of the major constituents in laterites and bauxites by x-ray fluorescence using fused Na2B4O7 glass discs is presented. The calibration curves were set up employing synthetic mixtures of oxides of Si, Al, Ti, and Fe. The interelement effects were corrected using a multiple regression analysis programed on a PDP 11/45 computer. The precision was determined by preparation and analysis of five synthetic pellets; the accuracy was ascertained by analysis of five international standards.