Abstract
PM2.5 particulate matters were collected in Taiyuan from November 2012 to October 2013. The total concentrations of seven kinds of typical heavy metal element (Fe, Pb, Mn, Cu, Ni, Cr, Cd) in particles were quantified by acid digestion method, then determined by flame atomic absorption spectrophotometer. The results showed that the concentration of PM2.5 in Taiyuan was six times higher than the Ambient Air Quality Standard (GB 3095-2012) II, and the atmospheric particles in Taiyuan are high in Fe, Pb, Cu, Mn, followed by Ni, Cr, Cd. The concentrations of Fe, Cd, Cu, Mn, Ni, Cr in industrial area were high, while the contents of Pb was high in commercial area, all of them were low in educational and residential area.
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