摘要
采用等温蒸发法研究了四元体系K+、Na+∥CO32-、HCO3--H2O 35℃相平衡及平衡液相的密度、电导率、折光率和pH值,测定了该四元体系在35℃条件下平衡溶液的浓度及物化性质。根据实验数据绘制了相应的平衡相图。研究发现:该体系平衡过程中有复盐KNaCO3形成。
An experimental study on the equilibria at 35℃ of the quaternary system K^＋ , Na^＋//CO3^2-, HCO3^-- H2O was done by isothermal evaporation method. Equilibrium solubilities and physico-chemical properties such as density, conductivity, pH, refractive index of the solution were determined experimentally. The experimental results of the equilibria show that the double salt KNaCO3 forms in the quaternary system K^＋ , Na^＋//CO3^2-, HCO3^--H2O at 35℃. According to the experimental data, the equilibrium phase diagram and the physico - chemical composition diagram were plotted.
出处
《铀矿地质》
CAS
CSCD
2008年第2期123-127,共5页
Uranium Geology
关键词
相平衡
碳酸盐
溶解度
equilibrium
carbonate
solubility
