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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/26757

Title: Portable X-ray fluorescence as a rapid technique for surveying elemental distributions in soil
Authors: Radu, Tanja
Gallagher, Simon
Byrne, Brian
Harris, Paul
Coveney, Seamus
McCarron, Stephen
McCarthy, Timothy
Diamond, Dermot
Issue Date: 2013
Publisher: © Taylor and Francis
Citation: RADU, T. ... et al., 2013. Portable X-ray fluorescence as a rapid technique for surveying elemental distributions in soil. Spectroscopy Letters, 46 (7), pp.516-526.
Abstract: Case studies from two sites demonstrate how concentration distributions of hazardous contaminants can be rapidly measured and visualized using portable XRF (X-ray fluorescence) coupled with geostatistical interpolation tools. In this study, lead is used as an exemplar due to its well-known detrimental effect on human health through long-term exposure. A portable Thermo Scientific NITON X-ray fluorescence (XRF) instrument was used for real-time in-situ concentration measurements, which were linked to GPS coordinates of the sampling locations. A 52 point mixed sampling density survey was performed at a site near Maynooth, Co. Kildare, and a second 58 survey undertaken at Dublin City University (DCU). At Maynooth, high concentrations of Pb (above 110 mg/kg) were found close to the site where a local canal meets a road. At the DCU site, results indicate high Pb concentrations (above 160 mg/kg) near a busy main road. Geostatistical techniques were used to generate concentration prediction and critical threshold contour surfaces for both sites. Linked with GPS coordinates for each sampling location, this technology enables the distribution of multiple elements to be mapped over wide areas in a relatively short time. Supplemental materials are available for this article. Go to the publisher's online edition of Spectroscopy Letters to view the supplemental file.
Version: Published
DOI: 10.1080/00387010.2013.763829
URI: https://dspace.lboro.ac.uk/2134/26757
Publisher Link: https://doi.org/10.1080/00387010.2013.763829
ISSN: 0038-7010
Appears in Collections:Closed Access (Architecture, Building and Civil Engineering)

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