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<identifier>oai:HAL:hal-01217495v1</identifier>
<datestamp>2018-01-11</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>Standardless Quantification of Heavy Elements by Electron Probe Microanalysis</title>
<creator>Moy, Aurelien</creator>
<creator>Merlet, Claude</creator>
<creator>Dugne, Olivier</creator>
<contributor>CEA-Direction de l'Energie Nucléaire (CEA-DEN) ; Commissariat à l'énergie atomique et aux énergies alternatives (CEA)</contributor>
<contributor>Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<source>ISSN: 0003-2700</source>
<source>EISSN: 1520-6882</source>
<source>Analytical Chemistry</source>
<publisher>American Chemical Society</publisher>
<identifier>hal-01217495</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-01217495</identifier>
<source>https://hal.archives-ouvertes.fr/hal-01217495</source>
<source>Analytical Chemistry, American Chemical Society, 2015, 87 (15), pp.7779-7786. 〈10.1021/acs.analchem.5b01443〉</source>
<identifier>DOI : 10.1021/acs.analchem.5b01443</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1021/acs.analchem.5b01443</relation>
<language>en</language>
<subject>[CHIM.ANAL] Chemical Sciences/Analytical chemistry</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Absolute Mα and Mβ X-ray intensities were measured for the elements Pt, Au, Pb, U, and Th by electron impact for energies ranging from 6 to 38 keV. Experimental data were obtained by measuring the X-ray intensity emitted from bulk samples with an electron microprobe using high-resolution wavelength-dispersive spectrometers. Recorded X-ray intensities were converted into absolute X-ray yields by evaluation of the detector efficiency and then compared with X-ray intensities calculated by means of Monte Carlo simulations. Simulated Mα and Mβ X-ray intensities were found to be in good agreement with the measurements, allowing their use in standardless quantification methods. A procedure and a software program were developed to accurately obtain virtual standard values. Standardless quantifications of Pb and U were tested on standards of PbS, PbTe, PbCl2, vanadinite, and UO2.</description>
<date>2015-08-04</date>
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