摘要
采用等温蒸发法研究了四元体系Li2CO3—Li2SO4—Li2B4O7—H2O 273.15K介稳相平衡,测定了该四元体系273.15K条件下介稳相平衡溶液的溶解度和密度,根据实验数据绘制了相应的相图。研究发现:该体系为简单共饱和型,无复盐及固溶体形成;相图中包含一个共饱点E,三条单变度曲线EE1,EE2,EE3,三个单盐结晶区,单盐形式分别为Li2CO3,Li2SO4.H2O,LiBO2.8H2O。
The solubilities of metastable phase equilibrium and densities in the quaternary system Li2CO3-Li2SO4-Li2B4O7-H2O at 273.15K have been determined by the method of isothermal evaporation. Based on the solubility data, the phase diagram of the system was plotted. The experimental results show that this system is a type of simple common saturation, and without complex salt and solid solution. There are one invariant point E, three uninvariant curves EE1 , EE2, EE3 and three single salt crystallization regions in the phase diagram. The three single salt crystallization regions are Li2CO3,Li2SO4.H2O,LiBO2.8H2O.
出处
《盐业与化工》
CAS
北大核心
2007年第5期9-11,共3页
Jounral of Salt and Chemical Industry
基金
国家自然科学基金(40303010)
中国博士后科学基金(20060390324)联合资助
关键词
盐湖
介稳相平衡
溶解度
salt lake
metastable phase equilibrium
solubility
