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作者:Ceel D. Silva , Genilson P. Santana , Simone P.A. Paz
来源:[J].Talanta(IF 3.498), 2020, Vol.206
摘要:Abstract(#br)The objective of this study was to establish the best parameters to correct for matrix effects in the chemical analysis of a siliceous geologic material rich in metallic elements of high economic value, such as La, Ce, Nd, Sm, and Gd (rare earth elements), using empirical influence coefficients applied to wavelength dispersive X-ray...
作者:Andrzej Bolewski , Marta Matosz , Władysław Pohorecki ...
来源:[J].Radiation Physics and Chemistry(IF 1.375), 2020, Vol.171
摘要:... To study this effect, the surface and bulk composition of a group of Polish coins minted in the X-XI centuries during the early Piast dynasty were investigated using energy dispersive X-ray fluorescence (XRF) spectrometry and neutron activation analysis (NAA). A comparison of...
作者:Radu Gabriel Pîrnău , Cristian Valeriu Patriche , Bogdan Roşca ...
来源:[J].Catena(IF 1.881), 2020, Vol.189
摘要:Abstract(#br)In this study we investigated the potential usefulness of multi-elemental soil analysis, obtained by a portable XRF spectrometer, to recognize ancient anthropogenic features, compared to the natural context on the territory of Roman-Byzantine Ibida city (Dobrogea, SE...
作者:Sangita Dhara , N.L. Misra
来源:[J].Trends in Analytical Chemistry(IF 6.351), 2019, Vol.116, pp.31-43
摘要:Abstract(#br)The present article gives an overview of the current state of applications of Total reflection X-Ray Fluorescence (TXRF) spectrometry for the analytical characterization of nuclear materials. The features of TXRF such as, requirement of very small sample amount, non ...
作者:Benjamin Sauer , Youhong Xiao , Michel Zoontjes ...
来源:[J].Journal of Pharmaceutical and Biomedical Analysis(IF 2.947), 2020, Vol.179
摘要:Abstract(#br)Energy-dispersive X-ray fluorescence spectrometry (EDXRF) is a suitable analytical procedure for screening drug products for Elemental Impurities (EI) according to ICH guideline Q3D. EDXRF represents a cost-efficient, robust and standard-free alternative compared to ...
作者:Richard Arthur , Paul Scherer
来源:[J].Spectroscopy Letters(IF 0.667), 2020, Vol.53 (2), pp.100-113
摘要:... Total Reflection X-ray Fluorescence Spectrometry can be used for monitoring in the ppb range, due to its high sensitivity and rapid multi elemental analysis capability. Unfortunately, cobalt/iron-spectra exhibit interference, because the energy line of iron (Kβ) overlap...
作者:A. Pandey , S. Dhara , F. A. Khan ...
来源:[J].Journal of Radioanalytical and Nuclear Chemistry: An International Journal Dealing with All Aspects and Applications of Nuclear Chemistry(IF 1.467), 2020, Vol.323 (1–3), pp.275-281
摘要:Abstract(#br)This paper presents studies on direct non-destructive determination of uranium in sintered deeply depleted (DD) uranium oxide (UO2) pellets by wavelength dispersive X-ray fluorescence (WDXRF) spectrometry. A special collet was designed and fabricated fo...
作者:Luciane B. Oliveira , Wagna P. C. dos Santos , Leonardo S. G. Teixeira ...
来源:[J].Food Analytical Methods(IF 1.969), 2020, Vol.13 (4), pp.195-202
摘要:Abstract(#br)The aim of this study was to evaluate the potential of applying energy dispersive X-ray fluorescence (EDXRF) spectrometry to determine Ca, K, P, Mg, Fe, Zn, Cu, Mn, and Al concentrations for direct analysis of cocoa powder, chocolate powder, and powdered chocolate ...

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