Abstract

Barium and strontium in barium carbonate of industrial grade have been determined by X-ray fluorescence whereby sample was fused with the flux containing sodium borate as a major component.The coefficients of variation for barium and strontium were reduced to 0.06 and 0.61%, respectively, by the use of titanium dioxide as the internal standard and the improvement of the borax fusion method.Results of this method agreed closely with those of cation exchange separation method.

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