We optimized sample preparation in the form of beads for the XRF measurement by determining the most appropriate sample/flux ratio for each type of refractory. Calibration and validation standards were prepared from mixtures of reference materials, owing to the scarcity of refractory reference materials...
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Once trained, the resulting classifier, i.e., the SMART mineral mapper, can identify minerals using only μXRF data. This is the real value of this machine learning approach because μXRF data are relatively fast to collect and interpret whereas μXRD data take longer to collect and interpret...
We manufacture a wide selection of high-quality x-ray tubes in house. Our x-ray tube fabrication facility can also create custom designs for XRD, XRF, or imaging. Measurement Services Trust your x-ray diffraction measurement needs to our highly skilled and knowledgeable team. Our accredited labo...
X-ray fluorescence (XRF), X-ray diffraction (XRD) and electron microscopy (SEM-EDS) were used to perform the study. XRD was performed using known quantities of lithium fluoride (LiF) and rutile (TiO2) as internal standards. The Rietveld refinement method was applied to the XRD ...
However, the EPXMA has several flaws, which need to be solved in the future sediment investigations: (1) calibration with natural standards is needed in order to provide a higher accuracy of the mineral determinations; (2) any EPXMA study of sediments needs to be secured with XRF ...