The fusion method in X-ray fluorescence (XRF) analysis is an effective sample preparation technique for getting accurate analysis results of powder samples, since the technique eliminates heterogeneity due to grain size and mineralogical difference. In addition, the homogenization of material property by vitrification makes it possible to expand the calibration range by the use of synthetic standards of fused beads with reagents or by using diverse reference materials. This application note demonstrates that single calibration for diverse materials, such as minerals, ores and refractories, was established by the fusion method on the Supermini200, a benchtop wavelength-dispersive (WD) XRF spectrometer.
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