Spatial Distribution and Sources of Heavy Metal Pollution of Surface Dust in Taiyuan, China

Yong Zhang; Jing Xia Chen; Jun Qiu Zhang; Ying Te Wang

doi:10.4028/www.scientific.net/AMM.737.503

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 737Spatial Distribution and Sources of Heavy Metal...

Spatial Distribution and Sources of Heavy Metal Pollution of Surface Dust in Taiyuan, China

Abstract:

The concentrations of heavy metals (Cr, Cu, Ni, Pb and Mn) were determined using flame atomic absorption spectrophotometer after digested with four acids. The samples were collected from seven kinds of different functional areas in Taiyuan, China. The concentration of the heavy metals were found in Taiyuan is higher than the soil background values in Shanxi Province, which appeared different levels of accumulation. High concentrations of Cr, Ni, Mn were found in the samples from industrial area and Cu was noted from economic development area. The correlational analysis and principle component analysis showed that the heavy metals of surface dust in Taiyuan were mainly influenced by industrial activities.