摘要
研究了二个三元体系Li+/CO2-3,B4O2-7H2O(1)和K+/CO2-3,B4O2-7H20(2)298K时的相平衡关系和平衡液相的物化性质(密度、折光密、粘度、电导率、pH值)。研究表明:这二个三元体系均属简单共饱型,无复盐或固溶体形成。体系(1)的两段溶解度曲线对应于无水Li2CO3和Li2B4O7·3H2O结晶区,体系(2)的两段溶解度曲线对应于K2CO3·3/2H2O和K2B4O7·4H2O结晶区。
Solubilities and physicochemical properties (density,refractive index,viscosity,conductivity and pH) of solutions in the ternary systems Li +/CO 3 2- ,B 4O 7 2- H 2O (1) and K +/CO 3 2- ,B 4O 7 2- H 2O (2) were investigated at 298 K with isothermal method.The two ternary systems are all of simple eutectic type and no complex salt or solid solution were found in the systems.Two solubility curves of the system(1) correspond to the crystallization fields of Li 2CO 3 and Li 2B 4O 7·3H 2O,and those of system (2) correspond to the crystallization fields of K 2CO 3·3/2H 2O and K 2B 4O 7·4H 2O.
出处
《矿物岩石》
CAS
CSCD
北大核心
1999年第2期89-92,共4页
Mineralogy and Petrology
基金
国家自然科学基金
国土资源部"九.五"重点学科生长点基金
西藏自治区科委"九.五"重点科技项目
关键词
三元体系
相平衡
物化性质
钾
卤水
ternary system phase equilibrium physicochemical property