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题名: Structure of aqueous sodium metaborate solutions: X-ray diffractionstudy
作者: 周永全 ;  房春晖 ;  房艳 ;  Zhu Fayan ;  Tao Song ;  Xu Sha
刊名: RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A
出版日期: 2012
卷号: 86, 期号:8, 页码:1236-1244
关键词: sodium metaborate ;  X-ray diffraction ;  solution structure ;  aqueous
英文摘要: A structural analysis of aqueous sodium metaborate solutions (NaBo(2) center dot nH(2)O, n = 10, 15, 20) at 298 +/- 0.5 K by a rapid liquid theta-theta X-ray diffractometry with a highly effective X'celerator detector is reported in present paper. The radial distribution functions (RDF) and theoretical partial radial distribution functions for B-O, O-O, Na-O, Na-B, and Na-Na atom pairs were obtained from precisely diffraction data processing. Structure of aqueous sodium metaborate solutions was given through model calculation and described in three different items: hydrated sodium ion, hydrated metaborate ion and ion association. Effects of concentration on the structure of the solutions were discussed in detail. The mechanisms of ion aggregation and the formation of crystal nuclei in the solution are proposed. The results show that a clear picture of the structure of aqueous sodium metaborate solution has been acquired. A structural analysis of aqueous sodium metaborate solutions (NaBo(2) center dot nH(2)O, n = 10, 15, 20) at 298 +/- 0.5 K by a rapid liquid theta-theta X-ray diffractometry with a highly effective X'celerator detector is reported in present paper. The radial distribution functions (RDF) and theoretical partial radial distribution functions for B-O, O-O, Na-O, Na-B, and Na-Na atom pairs were obtained from precisely diffraction data processing. Structure of aqueous sodium metaborate solutions was given through model calculation and described in three different items: hydrated sodium ion, hydrated metaborate ion and ion association. Effects of concentration on the structure of the solutions were discussed in detail. The mechanisms of ion aggregation and the formation of crystal nuclei in the solution are proposed. The results show that a clear picture of the structure of aqueous sodium metaborate solution has been acquired.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.isl.ac.cn/handle/363002/2034
Appears in Collections:青海盐湖研究所知识仓储(2014年之前)_期刊论文

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Recommended Citation:
Zhou Yongquan,Fang Chunhui,Fang Yan,et al. Structure of aqueous sodium metaborate solutions: X-ray diffractionstudy[J]. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A,2012,86(8):1236-1244.
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