应用离子选择性电极进行溶液热力学研究──RbCl在(H_2O-CH_3OH)混合溶剂中的活度系数的测定(298.15K)

Using Ion Selective Electrode to Study Thermodynamics of SolutionDetermination of Activity Coefficients of RbCl in(H2O CH3OH) Mixtures at 298.15K

应用一价阳离子选择性电极和氯离子选择性电极组成可逆电池，通过测定电池的电动势，运用扩展的Ｄｅｂｙｅ－Ｈüｃｋｅｌ公式，计算求得了ＲｂＣｌ在水及（Ｈ２Ｏ－ＣＨ３ＯＨ）混合溶剂中的活度系数及其一级、二级和总介质效应，并据电解质溶液的溶剂化理论对ＲｂＣｌ的活度系数某些变化规律进行了讨论．

The reversible cells consits of the Corning monovalent cation selective electrode(M+ ISE)and cholaride selective (Cl- ISE)electrode,namely Cl- ISE/RbCl(m),H2O(1-X),CH3OH(X)/M+ ISEthe Electromotive forces of measured cells have been determined at 298.15K,then the activity coefficients (γ±)and medium effects (PME.SME.TME) of RbCl have been calculated and discussed on the bases of solvation theory of electrolyte solution