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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
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
Volume61Issue:4Pages:1388-1394
SubtypeArticle
AbstractDensities 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 HeadingsScience & Technology ; Physical Sciences ; Technology
WOS KeywordTHERMODYNAMIC PROPERTIES ; WATER ; ELECTROLYTES ; SYSTEM ; EQUILIBRIA
Indexed BySCI
Language英语
WOS Research AreaThermodynamics ; Chemistry ; Engineering
WOS SubjectThermodynamics ; Chemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000374430900004
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Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6317
Collection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
Affiliation1.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
Recommended Citation
GB/T 7714
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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