The Malaysian Journal of Analytical Sciences Vol 10 No 2 (2006): 197 – 204

 

 

KANDUNGAN LOGAM BERAT DALAM MAKANAN LAUT DAN KADAR PENGAMBILANNYA OLEH PENDUDUK

DI TANJUNG KARANG, SELANGOR

 

Tukimat Lihan, Norazura Ismail, Muzneena Ahmad Mustapha & Sahibin Abd Rahim

 

Pusat Pengajian Sains Sekitaran dan Sumber Alam

Fakulti Sains dan Teknologi, Universiti Kebangsaan Malaysia

43600 UKM Bangi, Malaysia

 

Abstract

Seafood is highly likely to be contaminated by heavy metals caused by various human activities. In this  study, the amount of Cu, Fe, Zn, Pb, Ni, and Cd in seafood was determined to estimate the intake of heavy metals among the population of Tanjung Karang through the Market Basket Study method. A variety of seafood were purchased from the Bagan Pasir, Tanjung Karang fish landing area and the  concentration of heavy metals were determined using wet digestion  method  in  concentrated  nitric  acid  and  perchloric  acid  in  the  ratio  of  3:1.  Atomic  Absorption Spectrophotometer  (AAS)  was  used  to  analyze  the heavy  metals. The concentrations of metals in seafood were compared to the Food Balance Sheet to determine the status of metal exposure per day in the individual diet. From the study, the estimated intake of heavy metals by the population was 0.17 mg/day for Cu, 0.44 mg/day  for Fe, 0.58 mg/day for Zn, 0.008 mg/day for Pb, 0.007 mg/day for Ni and 0.031 mg/day for Cd.

 

Keywords: Heavy metals, seafood, estimated intake, individual diet, Tanjung Karang

 

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