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Speciation of iron in atmospheric particulate matter by EXAFS
Wang, YS; Li, AG; Zhang, YX; Xie, YN; Li, DL; Li, Y; Zhang, GL; Xie YN(谢亚宁)
2006
Source PublicationCHINESE SCIENCE BULLETIN
Volume51Issue:18Pages:2275-2280
Corresponding AuthorChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
SubtypeArticle
AbstractThe study on elemental speciation in atmospheric particulate matter (PM) is important for understanding the formation and origin of pollution and evaluating their toxicity. In this paper, the speciation of iron in atmospheric PM was investigated with extended X-ray absorption fine structure (EXAFS) spectra based on synchrotron radiation. The chemical components of PM can be calculated by regression analysis of EXAFS spectra. This is a non-destructive method. In order to have knowledge of the influence of chemical components on EXAFS spectra, we prepared a series of mixed reference samples, and proved the precision of method is good. The PM samples with different particle sizes and from different sampling sites were collected in Shanghai, China. The, chemical components of the samples were calculated by regression analysis of EXAFS spectra. The results show that the iron in all PM samples mainly consist of Fe2O3, Fe3O4 and Fe-2(SO4)(3), but their proportions are different in different samples. The changes of components among PM samples were observed preliminarily. The concentrations of iron in the samples were determined by proton-induced X-ray emission (PIXE) technique. It is observed that the concentrations of iron in the samples of iron and steel industrial district were much higher than those of other districts, and chemical components were also different from those of others.
Keywordatmospheric particulate matter speciation iron EXAFS regression analysis
Subject AreaScience & Technology - Other Topics
DOI10.1007/s11434-006-2103-3
URL查看原文
Indexed ByADS
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000242008000016
ADS Bibcode2006ChSBu..51.2275W
ADS URLhttps://ui.adsabs.harvard.edu/abs/2006ChSBu..51.2275W
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2006ChSBu..51.2275W/citations
Citation statistics
Cited Times:7 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/239709
Collection多学科研究中心
粒子天体物理中心
中国科学院高能物理研究所_中国散裂中子源
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Wang, YS,Li, AG,Zhang, YX,et al. Speciation of iron in atmospheric particulate matter by EXAFS[J]. CHINESE SCIENCE BULLETIN,2006,51(18):2275-2280.
APA Wang, YS.,Li, AG.,Zhang, YX.,Xie, YN.,Li, DL.,...&谢亚宁.(2006).Speciation of iron in atmospheric particulate matter by EXAFS.CHINESE SCIENCE BULLETIN,51(18),2275-2280.
MLA Wang, YS,et al."Speciation of iron in atmospheric particulate matter by EXAFS".CHINESE SCIENCE BULLETIN 51.18(2006):2275-2280.
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