Heavy metal (Pb,Cd) levels in muscle and liver of Pomadasys kakaan in Hormozgan province (Bandar abbas)
This study was carried out to determine the heavy metal content ( Pb and Cd) in muscle and liver tissues of Pomadasys kakaan in Bandar Abbas during winter 2011 and summer 2012. After biometry of the fish, muscle and liver tissues were separated. The amount of Pb and Cd were measured by atomic absorption spectroscopy (Varian model GTA 100). Based on the results, the average concentration of Pb and Cd in liver tissues were observed to be 0.1334±0.0234 and 0.0255±0.0077 µg/g respectively and in muscle tissues 0.0439±0.0106 and 0.0041±0.0007 µg/g, respectively. The difference between the average concentration of Pb and Cd in liver and muscle tissues is significant (P<0.05). Average accumulation of Pb and Cd in liver and muscle tissues were not difference significantly between two seasons (P>0/05). The comparison of the results with permissible limits of WHO and EPA showed that the concentrations of these metals are low.
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