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Densities and Molar Volumes of Aqueous Solutions of LiClO4 at Temperatures from 293 K to 343 K
Hu, Bin1; Hnedkovsky, Lubomir2; Li, Wu1; Hefter, Glenn2
2016-04-01
发表期刊JOURNAL OF CHEMICAL AND ENGINEERING DATA
卷号61期号:4页码:1388-1394
文章类型Article
摘要Densities of aqueous solutions of purified lithium perchlorate at solute concentrations ranging from approximately 0.05 to 5 mol.kg(-1) have been measured by vibrating-tube densimetry at 5 K intervals over the temperature range 293 <= T/K <= 343 at atmospheric pressure. Apparent molar volumes of LiClO4(aq) derived from these data varied smoothly with solute concentration and temperature and could be fitted with an average precision of +/- 0.02 cm(3).mol(-1) using an extended Redlich-Rosenfeld-Meyer equation. The present results show that volumetric data listed in popular literature compilations are inaccurate. The effects of temperature on the partial molar volumes of LiClO4(aq) are nonlinear and indicate that the structure-breaking or-making character of this salt depends on concentration and temperature. Systematic differences observed between the volumes of lithium and sodium salts with a common anion appear to be related to differences in the strength of hydration of the two cations.
WOS标题词Science & Technology ; Physical Sciences ; Technology
关键词[WOS]THERMODYNAMIC PROPERTIES ; WATER ; ELECTROLYTES ; SYSTEM ; EQUILIBRIA
收录类别SCI
语种英语
WOS研究方向Thermodynamics ; Chemistry ; Engineering
WOS类目Thermodynamics ; Chemistry, Multidisciplinary ; Engineering, Chemical
WOS记录号WOS:000374430900004
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6317
专题青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
盐湖资源与化学实验室
作者单位1.Chinese Acad Sci, Qinghai Inst Salt Lakes, CAS Key Lab Salt Lake Resources, Chem, Xining 810008, Peoples R China
2.Murdoch Univ, Dept Chem, Murdoch, WA 6150, Australia
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Hu, Bin,Hnedkovsky, Lubomir,Li, Wu,et al. Densities and Molar Volumes of Aqueous Solutions of LiClO4 at Temperatures from 293 K to 343 K[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2016,61(4):1388-1394.
APA Hu, Bin,Hnedkovsky, Lubomir,Li, Wu,&Hefter, Glenn.(2016).Densities and Molar Volumes of Aqueous Solutions of LiClO4 at Temperatures from 293 K to 343 K.JOURNAL OF CHEMICAL AND ENGINEERING DATA,61(4),1388-1394.
MLA Hu, Bin,et al."Densities and Molar Volumes of Aqueous Solutions of LiClO4 at Temperatures from 293 K to 343 K".JOURNAL OF CHEMICAL AND ENGINEERING DATA 61.4(2016):1388-1394.
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