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ELSEVIER
DOI: 10.1016/j.nimb.2005.11.050
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Mytilus galloprovincialis; heavy metals; arsenic; Adriatic Sea; EDXRF
Results of two years monitoring of heavy metals and arsenic concentrations in soft tissue of Mediterranean blue mussel Mytilus galloprovincialis are presented. Samples were taken at six localities (five exposed to various pollution Sources and one control site) on the east coast of the Middle Adriatic in October 2003 and 2004 and in April 2004 and 2005. All measurements were carried out with source excited Energy Dispersive X-ray Fluorescence Method (EDXRF). Measured concentrations were in the following ranges: Pb (2-7 mg/kg); As (4-30 mg/kg); Cr (1-2.9 mg/kg); Mn (2-13 mg/kg); Fe (53.4-719 mg/kg); Ni (0.8-5 mg/kg); Cu (3.7-11.1 mg/kg) and Zn (59.1-273 mg/kg). Maximum values of the most elements were measured in samples from the most polluted Vranjic region. Statistically significant difference among six localities (p = 0.05) was found for As, Fe and Zn while Mn, Fe and Cu showed significantly higher concentrations in spring period. None of the selected elements showed significant difference between the control and exposed regions. (c) 2005 Elsevier B.V. All rights reserved.
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