Abstract
ABSTRACT The nondestructive nature, easier sample preparation and simultaneous multi-element analysis capability of the Energy Dispersive X-ray Fluorescence (ED-XRF) Spectrometry, makes it an attractive technique for the elemental analysis of a wide range of materials. Optimised operating conditions enhance the detection efficiency and improve the minimum detection limits for several elements analysed in a group. The present study shows the performance of an ED-XRF system in analysing 15 important trace elements (V, Cr, Co, Ni, Cu, Zn, Ga, Pb, Th, Rb, U, Sr, Y, Zr, and Nb) in soils and sediment samples. These elements were divided into two groups and were analysed at different operating conditions suitably optimized for each group. The grouping of the elements was done keeping in view the optimum excitation and detection condition requirement for each group of elements. The medium-Z elements (V, Cr, Co, Ni, Cu, Zn, and Ga) were called as group “A” elements, while the rest were taken into group “B.” Well c...
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