K^+/Cl^-,CO_3^(2-),B_4O_7^(2-)-H_2O四元体系298K介稳溶解度的理论计算  

Calculation of the Solubilities of Metastable Phase Equilibrium in the Quaternary System K^+/Cl^-,CO_3^(2-),B_4O_7^(2-)-H_2O at 298 K

作　　者：胡子文[1] 殷辉安[1] 李绛[1] 刘光灿[1] 梁渠[1] 闫书一[1] 

机构地区：[1]成都理工大学材料与化学化工学院,四川成都610059

出　　处：《四川大学学报（工程科学版）》2010年第6期183-186,共4页Journal of Sichuan University (Engineering Science Edition)

摘　　要：利用298K时三元子体系的介稳相平衡溶解度,采用多元线性回归的方法拟合了Pitzer方程中所需盐的单盐参数及混合参数;并运用Pitzer方程对298K时四元体系K+/Cl-,CO32-,B4O72--H2O溶解度数据进行了理论计算。研究发现,模拟计算值与实测值基本吻合。Using the metastable equilibrium solubilities data of the ternary systems at 298 K,the single-salt parameters and mixing ion-interaction parameters of Pitzer＇s equation were fitted by multiple linear regression method.The solubilities of metastable phase equilibrium of the quaternary system K ＋ /Cl-,CO32-,B4O72--H2O at 298 K were calculated by Pitzer＇s equation.The results showed that the calculated value has a good agreement with the measured data.

关 键 词：介稳相平衡 PITZER理论 扎布耶盐湖 四元体系 

分 类 号：O642[理学—物理化学]