Some heavy elements accumulated levels, such as Lead, Zinc, Copper, Iron, Cobalt, Cadmium and Mercury were measured in molluscs that inhabitant the irrigation channel of University of Baghdad in AL- Jadriya districts. The shells and tissues of two Molluscs groups, gastropods genus Viviparous and bivalve genus Anodonta, as well as samples of gastropods eggs and water, were analyzing. The results showed that the highest concentration of Lead, Zinc, Copper, and Iron were recorded in Viviparous shells compared to Anodonta shells, but both Cadmium and Cobalt concentrations were identical in both genera shells, any presence of mercury was not recorded in any of these samples. The tissue samples recorded a rise in Zinc and Copper concentration in Viviparous in comparison with Anodonta, but the Lead, Iron and Cadmium concentrations recorded the highest values in Anodonta. Both elements Cobalt and Mercury concentration showed a similarity in both genera. The gastropods eggs were recorded high concentrations of heavy elements as follows Iron (550.00 ±0.57), Lead (128.00±0.57), Zinc (54. ±000.57), Copper (84.00±0.57), Cadmium (0.300±0.05), Cobalt (0.050±0.01) and Mercury (0.001±0.00) ppm. But water samples showed low concentrations in these elements, Iron (0.200±0.05), Lead (0.033±0.008), Zinc (0.025±0.001), Copper (0.008±0.001), Cadmium (0.004±0.001) and Cobalt (0.001±0.00) ppm.
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