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Concentrations of six heavy metals such as Fe, Pb, Zn, Cu, Ni and Cd have been examined in 20 surface sediment samples from Sfax solar saltern in order to evaluate their contamination levels; such concentrations (expressed in mg/kg of dry weight) have shown that Fe varied from 8750 to 8889.1, Pb from 18.98 to 233.46, Zn from 39.92 to 574.89, Cu from 13 to 98, Ni from 17.47 to 160.92, and Cd from 4...
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