Chinese Physics C > 2009, Vol. 33 > Issue(11): 1006-1009 DOI: 10.1088/1674-1137/33/11/015

Characteristics of element concentration of daytime and nighttime PM_2.5in the suburbs of Shanghai using Synchrotron XRF

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The characteristics of daytime and nighttime suburbs PM_2.5in Shanghai were analyzed by synchrotron based X-ray fluorescence during the period of October, 2006 and November, 2007. The mass concentrations of nighttime PM_2.5was approximately two times that of daytime PM_2.5. Some elements, such as Zn, Cu, Mn, Cl were found enriched at night. The local sources might have significant contribution to the nighttime PM_2.5pollutions.

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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 PM _2.5in the suburbs of Shanghai using Synchrotron XRF[J]. Chinese Physics C, 2009, 33(11): 1006-1009. doi: 10.1088/1674-1137/33/11/015

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Received: 2008-12-18
Revised: 2009-03-30

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沈阳化工大学材料科学与工程学院沈阳 110142