Distribution and accumulation of heavy metals in the water and sediments of the River Sava
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The distribution and accumulation of assorted heavy metals and a long-lived radionuclide (Cu, Zn, Pb, Cd, U, Th and Cs-137) in the water and sediment of the River Sava (in Serbia) were investigated at three locations in the vicinity of industrial and urban settlements (Sabac, Obrenovac, Belgrade). The concentrations of heavy metals in the sediment were found to be in the ranges (mg kg(-1)): 29.6-145.1 for Cu, 53.2-253.6 for Zn, 14.2-78.6 for Pb, 0.3- -24.6 for Cd, and 4.0-12.5 Bq l(-1) for Cs-137. These values correlate to the concentrations in the river water if expressed by equilibrium distribution coefficients K-d (dM(3) g(-1)) between the solid and liquid phases. The degrees of accumulation and enrichment of tracer metals were determined.
Кључне речи:accumulation / cesium / enrichment / heavy metals / K-d / sediment
Извор:Journal of the Serbian Chemical Society, 2011, 76, 5, 795-803
ISSN: 0352-5139 (print)