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Characterization of extraction complexes of Am(III) with dialkyldithiophosphinic acids by extended X-ray absorption fine structure spectroscopy
Tian, GX; Zhu, YJ; Xu, JM; Hu, TD; Xie, YN; Hu TD(胡天斗); Xie YN(谢亚宁)
2002
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
Volume334Pages:#REF!
Corresponding AuthorTian, GX (reprint author), Tsing Hua Univ, Inst Nucl Energy Technol, Beijing 100084, Peoples R China.
SubtypeArticle
AbstractThe structure of extraction complexes of Am(Ill) with di-n-octyldithiophosphinic acid and di(2,4,4-trimethylpentyl)dithiophosphinic acid in kerosene have been studied by extended X-ray absorption fine structure (EXAFS) spectroscopy. The EXAFS spectra demonstrate that the two extraction complexes are analogous in coordination structure with eight sulfur atoms coordinated in inner sphere. The coordination numbers and distances from the central Am atom to the nearest shell and the second shell atoms are: S, n=7.8+/-1, R=2.92 Angstrom; P, n=3.8+/-0.5, R=3.47 Angstrom for di-n-octyldithiophosphinic acid and S, n=7.8+/-1, R=21.98 Angstrom; P, n=3.7+/-0.4, R=3.58 Angstrom for di(2,4,4-trimethylpentyl) dithiophosphinic acid. (C) 2002 Elsevier Science B.V. All rights reserved.
KeywordEXAFS actinide elements separations
Subject AreaChemistry; Materials Science; Metallurgy & Metallurgical Engineering
DOI10.1016/S0925-8388(01)01783-2
Indexed BySCI
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000173810700015
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Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/226041
Collection多学科研究中心
Recommended Citation
GB/T 7714
Tian, GX,Zhu, YJ,Xu, JM,et al. Characterization of extraction complexes of Am(III) with dialkyldithiophosphinic acids by extended X-ray absorption fine structure spectroscopy[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2002,334:#REF!.
APA Tian, GX.,Zhu, YJ.,Xu, JM.,Hu, TD.,Xie, YN.,...&谢亚宁.(2002).Characterization of extraction complexes of Am(III) with dialkyldithiophosphinic acids by extended X-ray absorption fine structure spectroscopy.JOURNAL OF ALLOYS AND COMPOUNDS,334,#REF!.
MLA Tian, GX,et al."Characterization of extraction complexes of Am(III) with dialkyldithiophosphinic acids by extended X-ray absorption fine structure spectroscopy".JOURNAL OF ALLOYS AND COMPOUNDS 334(2002):#REF!.
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