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Levels of Copper, Zinc and Lead in Fishes of Mengabang Telipot River,Terengganu, Malaysia

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Author(s): B.Y. Kamaruzzaman | M.C. Ong | K.C.A. Jalal

Journal: Journal of Biological Sciences
ISSN 1727-3048

Volume: 8;
Issue: 7;
Start page: 1181;
Date: 2008;
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Keywords: Muscle | stomach | gill | mengabang telipot river | ICP-MS

ABSTRACT
Heavy metal (Cu, Zn and Pb) concentrations in the muscle, gill and stomach of fish species from Mengabang Telipot River, Terengganu were measured with a fast and sensitive Inductively Coupled Plasma-Mass Spectrometry (ICP-MS). The relationships between fish size (length and weight) and metal concentrations in the tissues were also investigated. The average concentration of Cu, Zn and Pb was 13.39, 19.88 and 0.30 mg kg-1 dry wt., respectively. A marked relationship between metal contents of the studied species was observed. Generally, the mean concentrations of all the elements were relatively high in stomach, followed by gills and lowest in muscle. The positive relationship of these elements with fish length and weight were observed, suggesting the accumulation of these elements were occurred in the fish. Overall, metal levels found were lower than the international standards of reference and the examined fish were not associated with enhanced metal content in their tissues and were safe within the limits for human consumption.
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