Malaysian
Journal of Analytical Sciences Vol 18 No 3 (2014): 514 - 521
CADMIUM,
CHROMIUM, COPPER, LEAD, FERUM AND ZINC LEVELS IN THE COCKLES (Anadara granosa) FROM KUALA SELANGOR,
MALAYSIA
(Tahap Kadmium, Kromium, Kuprum, Plumbum, Ferum dan
Zink di dalam Kerang (Anadara granosa) dari Kuala Selangor,
Malaysia)
Sabarina Md Yunus*,
Zaini Hamzah, Nik Azlin Nik Ariffin, Mohd Busairi Muslim
Faculty of Applied Sciences,
Universiti Teknologi MARA, 40450 Shah Alam, Selangor,
Malaysia
*Corresponding author: sabarina2020@salam.uitm.edu.my
Abstract
The aim of this
study is to provide information on the concentration of metals in cockles (Anadara granosa) from Kuala Selangor,
Malaysia. Cockles in this study area were taken by local people as part of
their diet, therefore necessary to determine metal concentrations in the
cockles. Sample collection activity was conducted at Kuala Selangor (03°20'N -
101°15'E) between the month of March, and April 2012. About two kilograms of
samples were purchased from local fish market at Kuala Selangor. The
concentration of Cd, Cr, Cu, Pb, Fe and Zn in the samples were analysed using
Inductively Coupled Plasma Optical Emission (ICP-OES). The observed mean
concentration of Cd, Cr, Cu, Pb, Fe and Zn is 1.48 ± 0.33, 1.43 ± 0.91, 15.78 ±
5.28, 1.11 ± 0.46, 875.55 ± 343.43 and 94.17 ± 7.91 mg/kg respectively. From
the public health point of view, these metal concentrations were below the
maximum permissible levels set by the Malaysian Food Act (1983) and Regulations
(1985). Therefore, cockles from Kuala Selangor are safe for human consumption.
Keywords: Kuala Selangor, Heavy
Metals, Anadara granosa, ICP-OES
Abstrak
Tujuan kajian
ini dijalankan, adalah untuk memberi maklumat terhadap kepekatan logam berat di
dalam kerang di Kuala Selangor, Malaysia. Kerang di kawasan ini telah digunakan
oleh penduduk setempat sebagai sebahagian daripada makanan mereka. Oleh itu,
adalah perlu untuk menentukan kepekatan logam berat di dalam kerang. Aktiviti
persampelan dijalankan di Kuala Selangor diantara bulan Mac dan April
2012.Sebanyak dua kilogram sampel telah dibeli daripada penjual di pasar
tempatan di Kuala Selangor. Kepekatan Cd, Cr, Cu, Pb, Fe dan Zn di dalam sampel
telah dianalisis dengan menggunakan kaedah Spektrometer Plasma Gandingan Aruhan
Pancaran Optik (ICP-OES). Purata kepekatan yang didapati bagi Cd, Cr, Cu, Pb,
Fe dan Zn adalah1.48 ± 0.33, 1.43 ± 0.91, 15.78 ± 5.28, 1.11 ± 0.46,
875.55 ± 343.43 dan 94.17 ± 7.91 mg/kg
masing-masing. Dari pandangan sudut kesihatan untuk orang awam, kepekatan logam
berat adalah di bawah tahap bahaya yang telah ditentukan oleh Akta Makanan
Malaysia (1983) dan Peraturan (1985). Oleh itu, kerang dari Kuala Selangor
adalah selamat untuk di makan.
Kata kunci: Kuala Selangor, Logam Berat, Anadaragranosa,
ICP-OES
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