A biomonitoring study: Trace metals in Amusium pleuronectes shell from the coastal area of Chon Buri province
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Author list: Siriprom W., Limsuwan P.
Publication year: 2009
Journal: Kasetsart Journal - Natural Science (0075-5192)
Volume number: 43
Issue number: 5 SUPPL.
Start page: 141
End page: 145
Number of pages: 5
ISSN: 0075-5192
Languages: English-Great Britain (EN-GB)
Abstract
The objective of the present study was to conduct a preliminary investigation of pollution in the coastal area of Chon Buri province environment with a focus on heavy metals in Amusiumpleuronectes shell. An energy Dispersive X-ray Fluorescence (EDXRF) spectrometer was used to determine the composition of mineral and levels of the heavy metals, gold (Au), zinc (Zn), lead (Pb), chromium (Cr), iron (Fe) and manganese (Mn) in the Amusium pleuronectes shell. The results showed that the highest to lowest accumulated metals are Fe, Mn, Cr, Zn, Pb and Au, respectively. The crystal structure and microstructure of the shells were studied by x-ray diffraction (XRD) technique and IR spectroscopy, respectively. The XRD patterns and IR spectrum revealed that the samples is made of a mixture phase of aragonite and calcite. In addition, the Electron Spin Resonance Spectroscopy (ESR) was used to study the ions in the samples. It was found that the samples consists of Mn2+ ions in the calcite lattice of the Amusium pleuronectes shell.
Keywords
Amusium pleuronectes, Electron spin resonance, X-ray diffracton
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