摘要: RESEARCH ARTICLE operationally defined fractions: exchangeable, carbonate, F investigated samples was the highest (164.83 µg/g). Chrom was followed by Manganese and Lead with concentrations were in the order: Mn> Zn> Pb> Cu> Cd> Cr> As. The sampled areas were mainly associated with the carbonate various fractions and results of mobility factors confirm indication that sources of these metals were mainly anthrop
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