Journal of the Serbian Chemical Society 2009 Volume 74, Issue 11, Pages: 1319-1333
doi:10.2298/JSC0911319J
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Physical and chemical characterization of the particulate matter suspended in aerosols from the urban area of Belgrade

Joksić Jasminka D., Jovašević-Stojanović Milena, Bartonova Alena, Radenković Mirjana B., Yttri Karl-Espen, Matić-Besarabić Snežana, Ignjatović Ljubiša

Within this study, attempts were made to characterize the coarse and fine particulate aerosol fractions in urban area of Belgrade and define the inorganic chemical composition of the aerosol fractions. For this purpose, daily deposits of PM10, PM2.5 and PM1 aerosol fractions were collected during spring and autumn sampling periods in 2007 and analyzed for the PM mass concentrations, trace elements and secondary ions. The results obtained in the two campaigns showed average daily mass concentrations of 37 and 44 ìg/m3 for PM10, 22 and 23 ìg/m3 for PM2.5 and 15 and 17 ìg/m3 for the finest particulate matter fraction PM1 with the maximums exceeding the limit values set by the EU air quality regulations. A correlation with the gas-phase ambient air pollutants SO2, NO2 and O3 was found and is discussed. The concentrations of trace elements (Mg, Al, K, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Mo, Cd, Sb, Ba, Tl, Pb and Th) and secondary ions (NO3 -, SO4 2-, NH4 +, K+, Ca2+ and Na+) determined in the PM10, PM2.5 and PM1 aerosol fractions showed levels and distributions indicating soil and traffic-related sources as the main pollution sources. This study was conducted as the first step of PM assessment in order to point out main air pollution sources and suggest a remedy strategy specific for this region.

Keywords: aerosols, particulate matter, characterization, trace elements, second aryions

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