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Na2CO3-Li2CO3-H2O三元体系288 K相平衡研究
Experimental study on the phase Equilibrium of the ternary System Na2CO3-Li2CO3-H2O at 288K
【Author】 SANG Shi-hua YIN Hui-an TANG Ming-lin, Zeng Ying ((Institute of materials and biological engineering, Chengdu Univerisity of Technology, Chengdu 610059,China)
【机构】 成都理工大学材料与生物工程学院;
【摘要】 采用等温溶解平衡法研究了三元体系Na2CO3-Li2CO3-H2O 288K时的相平衡及平衡液相的主要物化性质(密度,电导率,pH)。研究发现:该三元体系为简单共饱和型,根据溶解度数据绘制了相图, 相图中有一个共饱点,二条单变度曲线AE、BE;平衡固相为: Na2CO3·10H2O,Li CO3。并简要讨论了实验结果。
【Abstract】 In this paper, solubilities and properties (density, electrical conductivity and pH) of solution were studied in the ternary system Na2CO3-LiCO3-H2O at 288 K by isothermal equilibrium method. Based on the solubility data, the phase diagram of the systems was plotted. There are one invariant point E and two univariant curves AE and BE. Crystallization fields are Na2CO3 · 10H2O and Li2CO3. The experimental results were discussed briefly.
- 【会议录名称】 第十二届全国相图学术会议论文集
- 【会议名称】第十二届全国相图学术会议
- 【会议时间】2004
- 【会议地点】中国广东深圳
- 【分类号】O642.42
- 【主办单位】中国物理学会相图专业委员会