Journal
ENVIRONMENTAL POLLUTION
Volume 158, Issue 6, Pages 2230-2234Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2010.02.015
Keywords
Portable XRF; Lead (Pb); Contamination; Oyster shells; SEM; EDX
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Funding
- Southeastern Louisiana University
- Innov-X Systems (Woburn, MA)
- Louisiana Board of Regents [LEQSF(2007-12)-ENH-PKSFI-PRS-04]
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The aim of this study was the multi-elemental detection of toxic metals such as lead (Pb) in non-crushed oyster shells by using a portable X-ray fluorescence (XRF) spectrometer. A rapid, simultaneous multi-element analytical methodology for non-crushed oyster shells has been developed using a portable XRF which provides a quick, quantitative, non-destructive, and cost-effective mean for assessment of oyster shell contamination from Pb. Pb contamination in oyster shells was further confirmed by scanning electron microscopy with energy dispersive spectroscopy (SEM-EDS). The results indicated that Pb is distributed in-homogeneously in contaminated shells. Oyster shells have a lamellar structure that could contribute to the high accumulation of Pb on oyster shells. Published by Elsevier Ltd.
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