Conductivity of dilute and concentrated LiAsF6 solutions in acetonitrile + ethylene carbonate and ethylene carbonate + propylene carbonate mixtures. Some thermodynamic properties of pure acetonitrile + ethylene carbonate mixtures
作者： L. Werblan , A. Bałkowska , S. Warycha , P. Romiszowski , Wang-Dao Cai
DOI: 10.1016/0022-0728(94)03367-6
关键词: Enthalpy 、 Molar conductivity 、 Activity coefficient 、 Inorganic chemistry 、 Conductivity 、 Gibbs free energy 、 Propylene carbonate 、 Acetonitrile 、 Ethylene carbonate 、 Analytical chemistry 、 Chemistry
摘要: The specific conductivity κ of LiAsF6 solutions in equimolar acetonitrile + ethylene carbonate and propylene mixtures was determined at 25°C. values the density d, dynamic viscosity coefficient η dielectric constant D pure (AN) with (EC) EC (PC) were measured 25°C. The results for dilute analysed using Fuoss-Justice equation Chen's correction (FJCHEN equation). limiting molar Λ0, ion pair association KA, distance parameter R, degree dissociation γ mean activity ƒ ± calculated. The concentrated semi-empirical Casteel-Amis equation. parameters cmax, κmax, a b evaluated. The isotherms vapour pressure p AN 40°C 60°C. coefficients ƒ;1 ƒ;2 first second components, excess Gibbs energy GE enthalpy HE evaluated from experimental data. minimized energies solvent molecules calculated ALCHEMY program.
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