CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
Characterization of PM2.5 in the ambient air of Shanghai city by analyzing individual particles
Yue, WS(岳伟胜); Lia, XL(李晓林); Liu, JF(刘江锋); Li, Y(李燕); Yu, XH(余笑寒); Deng, B(邓彪); Wan, TM(万天敏); Zhang, GL(张桂林); Huang, YY; He, W; Hua, W; Shao, LY; Li, WJ; Yang, SS; Li, Y (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, POB 800-204, Shanghai 201800, Peoples R China
2006
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume368Issue:40577Pages:916
AbstractPM2.5 samples were collected simultaneously at three representative areas (central city, industrial area and clean air suburban) of Shanghai city. Their morphologies and elemental compositions were determined by scanning electron microscopy coupled with energy analysis (SEM-EDX). The particles were classified into four groups based on morphology and elemental composition. Soot aggregates and spherical fly ash particles were the two dominant types and they were identified as originating from automobile exhaust, metallurgical industry and coal combustion. The size distribution of the particles showed that most had diameters in the range of 0.2-1.4 mu m. Individual particles were measured by synchrotron radiation micro-beam X-ray fluorescence (micro-SXRF) and the micro-SXRF spectra were obtained. Pattern recognition techniques, which took the micro-SXRF spectrum of a single aerosol particle as its fingerprint, were used to identify the origins of the particles. Seven source types were identified. They were: metallurgical industry, vehicle exhaust, soil dust, coal combustion, diesel exhaust, oil combustion and motorcycle exhaust. Metallurgical industry, automobile exhaust, and coal combustion were recognized to be the main pollution sources Of PM2.5 in the air of Shanghai city. (c) 2006 Elsevier B.V. All rights reserved.
KeywordPm2.5 Individual Particle Synchrotron Radiation Sem-edx Source Identification Fingerprint
Subject AreaChemistry
Indexed Bysci
Language英语
Funding Project应物所项目组
WOS IDWOS:000240270700042
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/8018
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorLi, Y (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, POB 800-204, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Yue, WS,Lia, XL,Liu, JF,et al. Characterization of PM2.5 in the ambient air of Shanghai city by analyzing individual particles[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2006,368(40577):916.
APA Yue, WS.,Lia, XL.,Liu, JF.,Li, Y.,Yu, XH.,...&Li, Y .(2006).Characterization of PM2.5 in the ambient air of Shanghai city by analyzing individual particles.SCIENCE OF THE TOTAL ENVIRONMENT,368(40577),916.
MLA Yue, WS,et al."Characterization of PM2.5 in the ambient air of Shanghai city by analyzing individual particles".SCIENCE OF THE TOTAL ENVIRONMENT 368.40577(2006):916.
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