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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
Source PublicationJOURNAL OF MOLECULAR STRUCTURE
Volume1109Pages:67-73
SubtypeArticle
AbstractBased 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.
KeywordRubidium Pentaborate Species Distribution Nuclear Magnetic Resonance Spectroscopy Extended X-ray Absorption Fine Structure
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordX-RAY-SCATTERING ; POLYBORATE EQUILIBRIA ; MOLECULAR-DYNAMICS ; THERMAL-EXPANSION ; CRYSTAL-STRUCTURE ; HYDRATION ; RB ; BORATE ; IONS ; SPECTROSCOPY
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
WOS IDWOS:000378100700008
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Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6333
Collection青海盐湖研究所知识仓储
盐湖资源与化学实验室
Affiliation1.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
Recommended Citation
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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