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Investigation on species distribution and EXAFS structure of aqueous rubidium pentaborate solutions
Miao, J. T.1,2; Fang, C. H.1; Fang, Y.1; Zhu, F. Y.1; Liu, H. Y.1,2; Zhou, Y. Q.1; Ge, H. W.1; Sun, P. C.1,2; Zhao, X. C.1,2
2016-04-05
发表期刊JOURNAL OF MOLECULAR STRUCTURE
卷号1109页码:67-73
文章类型Article
摘要Based on the Measured pH data and reported equilibrium constants, the main polyborate species formation existing in solution was investigated using the Newton iteration method at 298 and 333 K, and checked by the method of B-11 nuclear magnetic resonance (NMR) spectroscopy. The neighboring structure of rubidium ion was studied at room temperature, which the structural parameters, including the coordination number, interatomic distance of Rb-O and Debye-Waller factor, were determined by the synchrotron radiation extended X-ray absorption fine structure (EXAFS). The results show that the average interatomic distance of Rb-O is 2.93 +/- 0.004 angstrom and coordination number is 7.7 +/- 0.9 in the first hydration shell around rubidium ion. (C) 2015 Elsevier B.V. All rights reserved.
关键词Rubidium Pentaborate Species Distribution Nuclear Magnetic Resonance Spectroscopy Extended X-ray Absorption Fine Structure
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]X-RAY-SCATTERING ; POLYBORATE EQUILIBRIA ; MOLECULAR-DYNAMICS ; THERMAL-EXPANSION ; CRYSTAL-STRUCTURE ; HYDRATION ; RB ; BORATE ; IONS ; SPECTROSCOPY
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Physical
WOS记录号WOS:000378100700008
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6333
专题青海盐湖研究所知识仓储
盐湖资源与化学实验室
作者单位1.Chinese Acad Sci, Inst Salt Lakes, Lab Salt Resources Chem, Xining 810008, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing, Peoples R China
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GB/T 7714
Miao, J. T.,Fang, C. H.,Fang, Y.,et al. Investigation on species distribution and EXAFS structure of aqueous rubidium pentaborate solutions[J]. JOURNAL OF MOLECULAR STRUCTURE,2016,1109:67-73.
APA Miao, J. T..,Fang, C. H..,Fang, Y..,Zhu, F. Y..,Liu, H. Y..,...&Zhao, X. C..(2016).Investigation on species distribution and EXAFS structure of aqueous rubidium pentaborate solutions.JOURNAL OF MOLECULAR STRUCTURE,1109,67-73.
MLA Miao, J. T.,et al."Investigation on species distribution and EXAFS structure of aqueous rubidium pentaborate solutions".JOURNAL OF MOLECULAR STRUCTURE 1109(2016):67-73.
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