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Isopiestic studies on thermodynamic properties for LiCl-Li2B4O7-H2O system at 298.15 K
Yang, JM; Yao, Y; Zhang, AY; Song, PS
2006-04-10
Source PublicationCHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
Volume27Issue:4Pages:735-738
SubtypeArticle
AbstractThe isopiestic molalities and the water activities were measured at 298.15 K for the LiCi-Li2B4O7-H2O system by isopiestic method, and the vapor pressures and the osmotic coefficients were obtained from the measurements. The experimental data were represented by 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 method. The activity coefficients of LiCl and Li2B4O7 for the system LiCl-Li2B4O7-H2O were calculated by the ion interaction model parameterized at low concentrations. The data of osmotic coefficients measured are in reasonable agreements with those calculated by using the model. These studies are useful to improve the thermodynamic model for salt lake brine systems containing lithium and borates.
KeywordLicl-li2b4o7-h2o System Isopiestic Method Osmotic Coefficient Pitzer Model
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordION-INTERACTION MODEL ; OSMOTIC COEFFICIENTS
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000236899200035
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Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/5785
Collection青海盐湖研究所知识仓储
Affiliation1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
2.Linyi Normal Univ, Dept Chem, Linyi 276005, Peoples R China
Recommended Citation
GB/T 7714
Yang, JM,Yao, Y,Zhang, AY,et al. Isopiestic studies on thermodynamic properties for LiCl-Li2B4O7-H2O system at 298.15 K[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2006,27(4):735-738.
APA Yang, JM,Yao, Y,Zhang, AY,&Song, PS.(2006).Isopiestic studies on thermodynamic properties for LiCl-Li2B4O7-H2O system at 298.15 K.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,27(4),735-738.
MLA Yang, JM,et al."Isopiestic studies on thermodynamic properties for LiCl-Li2B4O7-H2O system at 298.15 K".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 27.4(2006):735-738.
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