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)
刊名CHINESE SCIENCE BULLETIN
2006
卷号51期号:18页码:2275-2280
关键词atmospheric particulate matter speciation iron EXAFS regression analysis
学科分类Science & Technology - Other Topics
DOI10.1007/s11434-006-2103-3
通讯作者Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
英文摘要The 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.
类目[WOS]Multidisciplinary Sciences
研究领域[WOS]Science & Technology - Other Topics
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语种英语
WOS记录号WOS:000242008000016
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被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239709
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_粒子天体物理中心
中国科学院高能物理研究所_多学科研究中心
作者单位中国科学院高能物理研究所
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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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