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Isopiestic studies on thermodynamic properties and representation with ion-interaction model for the Li2B4O7-LiCl-H2O system at 273.15 K
Yang Ji-Min; Yao Yan
2007-06-14
Source PublicationACTA CHIMICA SINICA
Volume65Issue:11Pages:1089-1093
SubtypeArticle
AbstractThe isopiestic molalities and the water activities have been determined at 273.15 K for the Li2B4O7 -LiCl-H2O system by isopiestic method, and the vapor pressures and the osmotic coefficient have been calculated from the measurements. The experimental data have been represented by the different forms of the ion interaction model based on the primary Pitzer model of osmotic coefficient. The Pitzer ion interaction parameters were evaluated from recent measurements by using multiple regression and iterative methods. The activity coefficients of LiCl and Li2B4O7 for the system Li2B4O7LiCl-H2O were calculated by the ion interaction model parameterized at low concentrations. The experimental data of osmotic coefficients measured and calculated by using the Pitzer model are in reasonable agreements. These studies are useful for improving the thermodynamic model for salt lake brine complex systems containing lithium and borate.
KeywordLi2b4o7-licl-h2o System Isopiestic Method Osmotic Coefficient Pitzer Model
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordEQUILIBRIUM ; CHLORIDE
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000247499000016
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Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/5828
Collection青海盐湖研究所知识仓储
Affiliation1.Linyi Normal Univ, Dept Chem, Linyi 276005, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
Recommended Citation
GB/T 7714
Yang Ji-Min,Yao Yan. Isopiestic studies on thermodynamic properties and representation with ion-interaction model for the Li2B4O7-LiCl-H2O system at 273.15 K[J]. ACTA CHIMICA SINICA,2007,65(11):1089-1093.
APA Yang Ji-Min,&Yao Yan.(2007).Isopiestic studies on thermodynamic properties and representation with ion-interaction model for the Li2B4O7-LiCl-H2O system at 273.15 K.ACTA CHIMICA SINICA,65(11),1089-1093.
MLA Yang Ji-Min,et al."Isopiestic studies on thermodynamic properties and representation with ion-interaction model for the Li2B4O7-LiCl-H2O system at 273.15 K".ACTA CHIMICA SINICA 65.11(2007):1089-1093.
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