Sains Malaysiana 40(8)(2011): 827–830

Vertical Variation of Lead, Copper and Manganese in Core Sediments Collected

From Tanjung Lumpur Mangrove Forest, Pahang, Malaysia

(Kepelbagaian Menegak Plumbum, Kuprum dan Manganese di Dalam Teras Sedimen Hutan Paya Bakau Tanjung Lumpur, Pahang, Malaysia)

B.Y. Kamaruzzaman*, M.Y. Nurul Nadia & M.S. Noor Azhar

Institute of Oceanography and Maritime Studies , International Islamic University Malaysia

25200 Kuantan, Pahang, Malaysia

S. Shahbudin

Faculty of Maritime Studies and Marine Science, Universiti Malaysia Terengganu

21030 Kuala Terengganu, Terengganu, Malaysia

B. Joseph

Institute of Oceanography, Universiti Malaysia Terengganu, 21030 Kuala Terengganu

Terengganu, Malaysia

Diserahkan: 9 Februari 2010 / Diterima: 10 November 2010

ABSTRACT

Two core sediment samples collected from Tanjung Lumpur mangrove forest were analysed for lead, copper and manganese using the sensitive Inductively Coupled Plasma-Mass Spectrometry (ICP-MS). The average concentrations of Pb, Cu, and Mn in core samples were 36.28±7.04 μg/g dry weights, 50.17±5.84 μg/g dry weights, and 110.41±14.48 μg/g dry weights, respectively. From the calculated enrichment factors (EF), only Mn was considered to be predominantly terrigeneous in origin, while Pb and Cu have slightly higher EF values which were related to anthropogenic input.

Keywords: Cu; enrichment factor; Mn; Pb; Tanjung Lumpur mangrove forest

ABSTRAK

Dua sampel teras yang diperoleh dari hutan paya bakau Tanjung Lumpur dianalisis untuk plumbum , kuprum dan mangan dengan menggunakan peralatan sensitif Spekrometri Jisim - Plasma Gandingan Induktif (ICP-MS). Purata kepekatan Pb, Cu dan Mn adalah masing-masing 36.28±7.04 μg/g berat kering, 50.17±5.84 μg/g berat kering, and 110.41±14.48 μg/g berat kering. Daripada pengiraan faktor pengkayaan (EF), Mn didapati dominan kepada sumber semula jadi, manakala Pb dan Cu yang mempunyai nilai EF yang lebih tinggi berkemungkinan mempunyai sumber hubungan dengan sumber antropogenik.

Kata kunci: Cu; faktor pengayaan; hutan paya bakau Tanjung Lumpur; Mn; Pb;

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*Pengarang untuk surat menyurat; email: kama@iiu.edu.my