Applicability of direct total reflection X-ray fluorescence analysis for selenium determination in solutions related to environmental and geochemical studies |
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| Authors: | E. Marguí , G.H. Floor, M. Hidalgo, P. Kregsamer, G. Roman-Ross, C. Streli,I. Queralt |
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| Affiliation: | a Dept. of Chemistry, University of Girona. Campus Montilivi, 17071 Girona, Spain;b Atominstitut TU Wien, Stadionallee 2, 1020 Wien, Austria;c Institute of Earth Sciences “Jaume Almera”, CSIC. Solé Sabarís s/n. 08028 Barcelona, Spain |
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| Abstract: | A significant amount of environmental studies related to selenium determination in different environmental compartments have been published in the last years due to the narrow range between the Se nutritious requirement as essential element and toxic effects upon exposure. However, the direct analysis of complex liquid samples like natural waters and extraction solutions presents significant problems related to the low Se concentrations and the complicated matrix of this type of samples. |
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| Keywords: | Selenium TXRF Environmental solutions Limits of detection Matrix effects |
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