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Chinese Physics C> 2005, Vol. 29> Issue(S1) : 89-92 

Speciation of Elements in PM10 of Tunnel Studied by XAFS

  •  中科院上海原子核研究所

  • The PM10 samples were collected at three different sites in or out a tunnel in Shanghai. The XAFS (X-ray absorption fine structure) spectroscopy was applied for the speciation of iron and lead in the samples. The chemical components were determined by IFEFFIT program. The results show: Fe2O3, Fe3O4, Fe2(NO3)3 and FeO are presented as the main components in the samples of different sites. In the middle of the tunnel, Fe(NO3)3 and FeO are in high proportion, but outside of the tunnel, the proportion of these two components goes down, besides, the proportion of Fe2O3 increases. The main lead species are PbSO4, PbO2, Pb3(PO4)2 and a little PbO in samples of different sites. Similarly, the proportion of PbSO4 and PbO2 is higher than that of the outside. And there is a small amount of PbO out of the tunnel. There is considerable difference between the middle and outside in the two elemental species, which is caused by the different pollution source and environment.
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    [1] . Huggins F E, Gerald P, Robertson J D. J. Hazardous Ma-terials, 2000, 74: 1—232. Kopcewicz B, Kopcewicz M. Struct. Chem, 1991,2:(95)303—(104)3123. YAO Xiao-Hong, Chak K. Chan, FANG Ming et al. Atmo-spheric Environment, 2002, 36: 4223—42344. Yule W, Lansdown R, Millar I B et al. Dev. Med. ChildNeuro, 1981, 23: 567—5765. LUO Kun-Li, WANG Dou-Hu, TAN Jian-An et al. Envi-ronmental Science, 2002, 23(1): 123—125(in Chinese)(雒昆利，王斗虎，谭见安等.环境科学，2002, 23(1): 123-125)6. US EPA Environmental Criteria and Assessment Office(1996)7. Pavageau M, P′echeyran C, Krupp E M et al. Environmen-tal Science and Technology, 2002, 36: 1561—15738. Ressler T, Wong J, Roos J et al. Environmental Scienceand Technology, 2000, 34: 950—9589. WANG Wei, YE Hui-Hai, JIN Da-Shan et al. Research ofEnvironmental Sciences, 2001, 4: 27—31(in Chinese)(王玮，叶慧海，金大善等.环境科学研究,2001, 4: 27-31)10. LI Ai-Guo, TONG Yong-Peng, NI Xin-Bo et al. China En-vironmental Science, 2001, 21(3): 198—202(in Chinese)(李爱国，童永彭，倪新伯等.中国环境科学，2001, 21(3):198-202)

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JIN Chan, ZOU Yang, ZHANG Gui-Lin, TAN Ming-Guang, PENG Lan, LI Yu-Lan, CHEN Wen-Zhong, LI Yan, XIE Ya-Ning and LIU Tao. Speciation of Elements in PM10 of Tunnel Studied by XAFS[J]. Chinese Physics C, 2005, 29(S1): 89-92.
JIN Chan, ZOU Yang, ZHANG Gui-Lin, TAN Ming-Guang, PENG Lan, LI Yu-Lan, CHEN Wen-Zhong, LI Yan, XIE Ya-Ning and LIU Tao. Speciation of Elements in PM10 of Tunnel Studied by XAFS[J]. Chinese Physics C, 2005, 29(S1): 89-92. shu
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Received: 2005-10-28
Revised: 1900-01-01
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Speciation of Elements in PM10 of Tunnel Studied by XAFS

    Corresponding author: LI Yan,
  • 中科院上海原子核研究所
  • Received Date: 2005-10-28
  • Accepted Date: 1900-01-01
  • Available Online: 2005-01-02

Abstract: The PM10 samples were collected at three different sites in or out a tunnel in Shanghai. The XAFS (X-ray absorption fine structure) spectroscopy was applied for the speciation of iron and lead in the samples. The chemical components were determined by IFEFFIT program. The results show: Fe2O3, Fe3O4, Fe2(NO3)3 and FeO are presented as the main components in the samples of different sites. In the middle of the tunnel, Fe(NO3)3 and FeO are in high proportion, but outside of the tunnel, the proportion of these two components goes down, besides, the proportion of Fe2O3 increases. The main lead species are PbSO4, PbO2, Pb3(PO4)2 and a little PbO in samples of different sites. Similarly, the proportion of PbSO4 and PbO2 is higher than that of the outside. And there is a small amount of PbO out of the tunnel. There is considerable difference between the middle and outside in the two elemental species, which is caused by the different pollution source and environment.

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