CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
A study of the origin of individual PM2.5 particles in Shanghai air with synchrotron X-ray fluorescence microprobe
Li, X(李晓林); Yue, W; Iida, A; Li, Y(李燕); Zhang, G(张桂林)
2007
Conference Name10th International Conference on Nuclear Microprobe Technology and Applications held in Conjunction with the 2nd International Workshop on Proton Beam Writing
Source PublicationNUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
Pages336
Conference DateJUL 09-14, 2006
Conference PlaceSingapore, SINGAPORE
AbstractTo identify the origin of individual PM2.5 particles in Shanghai air, synchrotron X-ray fluorescence microprobe at BL-4A beamline of Photon Factory was applied to analysis of the individual PM2.5 particles. By using excitation energy of 17.4 keV, trace elements of environmental concern in the fine particles, like S, Cr, Sr and Pb can be detected. Only 60 s of irradiation was needed to measure each of the individual PM2.5 particles. The result of this study shows that the most of analyzed PM2.5 particles were derived from vehicle exhaust, metallurgic emissions and power plants. This result is consistent with the morphological observation of PM2.5 particles obtained by scanning electron microscopy. (c) 2007 Elsevier B.V. All rights reserved.
ISSN0168-583X
Indexed BySCI
Funding Project应物所课题组
Language英语
Document Type会议论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/8813
Collection中科院上海应用物理研究所2004-2010年
Recommended Citation
GB/T 7714
Li, X,Yue, W,Iida, A,et al. A study of the origin of individual PM2.5 particles in Shanghai air with synchrotron X-ray fluorescence microprobe[C],2007:336.
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