This paper regards the activity coefficient of salt in mixed solvents with const ant composition as a function of vapor-liquid equilibrium data by means of terna ry Gibbs-Duhem equation. A verification method includin...This paper regards the activity coefficient of salt in mixed solvents with const ant composition as a function of vapor-liquid equilibrium data by means of terna ry Gibbs-Duhem equation. A verification method including two independent criteri a for vapor-liquid equilibrium data of salt-containing system is proposed on the bases of thermodynamics and the Debye-Hückel electrolytical solution theory.A ccording to the criteria every experimental point can be verified by the calcula tion of its vapor-liquid equilibrium data.Not only is this method rigorous in th e theory,but also very convenient in the application.Under the condition of fix ing the ratio between two solvents it can be used for vapor-liquid equilibrium d ata verification of various salt-containing systems,whether the systems are isot hemic or isobaric,aqueous or non-aqueous,up to saturated or non-saturated.展开更多
基金河南省科委自然科学基金 (No 9940 3 190 0 )河南省教委自然科学基金 (No 2 0 0 0 15 0 2 8)资助项目
文摘This paper regards the activity coefficient of salt in mixed solvents with const ant composition as a function of vapor-liquid equilibrium data by means of terna ry Gibbs-Duhem equation. A verification method including two independent criteri a for vapor-liquid equilibrium data of salt-containing system is proposed on the bases of thermodynamics and the Debye-Hückel electrolytical solution theory.A ccording to the criteria every experimental point can be verified by the calcula tion of its vapor-liquid equilibrium data.Not only is this method rigorous in th e theory,but also very convenient in the application.Under the condition of fix ing the ratio between two solvents it can be used for vapor-liquid equilibrium d ata verification of various salt-containing systems,whether the systems are isot hemic or isobaric,aqueous or non-aqueous,up to saturated or non-saturated.
