Characteristics of element concentration of daytime and nighttime PM2.5 in the suburbs of Shanghai using Synchrotron XRF

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LIN Jun, LIU Wei, XU Zhong-Yang, LI Yan, BAO Liang-Man, LI Yu-Lan, YU Xiao-Han, CHEN Dong-Liang and HE Wei. Characteristics of element concentration of daytime and nighttime PM2.5 in the suburbs of Shanghai using Synchrotron XRF[J]. Chinese Physics C, 2009, 33(11): 1006-1009. doi: 10.1088/1674-1137/33/11/015
LIN Jun, LIU Wei, XU Zhong-Yang, LI Yan, BAO Liang-Man, LI Yu-Lan, YU Xiao-Han, CHEN Dong-Liang and HE Wei. Characteristics of element concentration of daytime and nighttime PM2.5 in the suburbs of Shanghai using Synchrotron XRF[J]. Chinese Physics C, 2009, 33(11): 1006-1009.  doi: 10.1088/1674-1137/33/11/015 shu
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Received: 2008-12-18
Revised: 2009-03-30
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Characteristics of element concentration of daytime and nighttime PM2.5 in the suburbs of Shanghai using Synchrotron XRF

    Corresponding author: LIN Jun,

Abstract: 

The characteristics of daytime and nighttime suburbs PM2.5 in Shanghai were analyzed by synchrotron based X-ray fluorescence during the period of October, 2006 and November, 2007. The mass concentrations of nighttime PM2.5 was approximately two times that of daytime PM2.5. Some elements, such as Zn, Cu, Mn, Cl were found enriched at night. The local sources might have significant contribution to the nighttime PM2.5 pollutions.

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