Source identification of individual PM<SUB>2.5</SUB> particles in Shanghai air in the winter of 2007 with synchrotron X-ray fluorescence microprobe

LI Xiao-Lin; LIU Jiang-Feng; BAO Liang-Man; LI Yan; ZHANG Gui-Lin

doi:10.1088/1674-1137/33/11/006

Chinese Physics C> 2009, Vol. 33> Issue(11) : 960-964 DOI: 10.1088/1674-1137/33/11/006

Source identification of individual PM_2.5 particles in Shanghai air in the winter of 2007 with synchrotron X-ray fluorescence microprobe

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Abstract：
In order to further understand the sources of PM_2.5 in Shanghai air, the synchrotron X-ray fluorescence microprobe at the BL-4A Beamline of Photon Factory of High Energy Accelerator Research Organization, Japan, was applied to analyze the individual PM_2.5 particles collected from Shanghai air in the winter of 2007. Eight categories of emission sources were recognized in these individual particles. The source identification shows that most of the analyzed PM_2.5 particles are derived from vehicle exhaust and metallurgical emissions. This suggests that the important emission sources of PM_2.5 in Shanghai air would be vehicle exhaust and metallurgical activities.

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LI Xiao-Lin, LIU Jiang-Feng, BAO Liang-Man, LI Yan and ZHANG Gui-Lin. Source identification of individual PM_2.5 particles in Shanghai air in the winter of 2007 with synchrotron X-ray fluorescence microprobe[J]. Chinese Physics C, 2009, 33(11): 960-964. doi: 10.1088/1674-1137/33/11/006

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Received: 2008-12-17
Revised: 2009-04-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Source identification of individual PM_2.5 particles in Shanghai air in the winter of 2007 with synchrotron X-ray fluorescence microprobe

Corresponding author: LI Xiao-Lin,

Received Date: 2008-12-17

Accepted Date: 2009-04-01

Available Online: 2009-11-05

Abstract: In order to further understand the sources of PM_2.5 in Shanghai air, the synchrotron X-ray fluorescence microprobe at the BL-4A Beamline of Photon Factory of High Energy Accelerator Research Organization, Japan, was applied to analyze the individual PM_2.5 particles collected from Shanghai air in the winter of 2007. Eight categories of emission sources were recognized in these individual particles. The source identification shows that most of the analyzed PM_2.5 particles are derived from vehicle exhaust and metallurgical emissions. This suggests that the important emission sources of PM_2.5 in Shanghai air would be vehicle exhaust and metallurgical activities.

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Source identification of individual PM_2.5 particles in Shanghai air in the winter of 2007 with synchrotron X-ray fluorescence microprobe

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Source identification of individual PM_2.5 particles in Shanghai air in the winter of 2007 with synchrotron X-ray fluorescence microprobe

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Source identification of individual PM2.5 particles in Shanghai air in the winter of 2007 with synchrotron X-ray fluorescence microprobe

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通讯作者: 陈斌, bchen63@163.com

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Source identification of individual PM2.5 particles in Shanghai air in the winter of 2007 with synchrotron X-ray fluorescence microprobe

Corresponding author: LI Xiao-Lin,

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Source identification of individual PM_2.5 particles in Shanghai air in the winter of 2007 with synchrotron X-ray fluorescence microprobe

Source identification of individual PM_2.5 particles in Shanghai air in the winter of 2007 with synchrotron X-ray fluorescence microprobe