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Distribution of Ni and Zn in the surface sediments collected from drainages and intertidal areas in Selangor


Citation

Yap, Chee Kong and Supian, Mohd Fairuz and Cheng, Wan Hee and Tan, Soon Guan (2008) Distribution of Ni and Zn in the surface sediments collected from drainages and intertidal areas in Selangor. Pertanika Journal of Tropical Agricultural Science, 31 (1). pp. 79-90. ISSN 1511-3701; ESSN: 2231-8542

Abstract

Surface sediments were collected from 11 sampling sites in selected intertidals and drainages of Selangor. The sediment samples were analysed for Ni and Zn. The metal concentrations ranged from 15.1 to 121 µg/g dry weight for Ni and 50.2 to 336 µg/g dry weight for Zn. The highest total (Ni and Zn) concentrations in sediments were found at an industrial site in Serdang. The Ni and Zn ranges resulting from this study were wider and higher than those reported previously in Malaysia. Generally, the 'oxidisable-organic' fraction contributed the largest percentage of metals among the other three anthropogenic-related fractions. This study shows that the non-resistant fraction dominated the total Zn based on sequential extraction technique. Some sites had higher percentage (>50%) of non-resistant fraction of Ni and Zn, indicating anthropogenic sources of these metals. Therefore, it is suggested that continuous monitoring of the study areas be implemented especially at industrial areas in Serdang. Perhaps, the industrial waste must be treated before draining to the waterways.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Science
Publisher: Universiti Putra Malaysia Press
Keywords: Heavy metal; Surface sediments; Drainages; Selangor; Malaysia
Depositing User: Muizzudin Kaspol
Date Deposited: 02 Nov 2015 06:26
Last Modified: 02 Nov 2015 06:26
URI: http://psasir.upm.edu.my/id/eprint/18608
Statistic Details: View Download Statistic

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