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Li⁺,Na⁺∥CO₃^2-,B₄O₇^2--H₂O四元交互体系288K的相平衡

Equilibrium Phase Diagram of Li⁺,Na⁺∥, H₂O Quaternary System at 288 K

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【Author】 Sang Shi Hua1,2 Yin Hui An2 Tang Ming Lin2 Zhang Yun Xiang1(1Institute of Chemical Engineering, Sichuan University, Chengdu 610064; 2Department of Applied Chemistry,Chengdu University of Technology, Chengdu 610059)

【机构】四川大学化工学院；成都理工大学应用化学系；四川大学化工学院成都610064；成都610059；成都610064；

【摘要】采用等温溶解平衡法对Li⁺,Na⁺∥CO₃²-,B₄O₇²--H₂O四元体系进行288K相平衡研究.结果表明,该体系属简单共饱型,在288K等温溶解度相图中有二个共饱点,五条单变量曲线,平衡固相为Na2CO3·10H2O,Li2B4O7·3H2O,Na2B4O7·10H2O,Li2CO3.更多还原

【Abstract】 In this paper, the solubility of Li+,Na+∥, H2O quaternary system at 288 K has been determined by isothermal equilibrium method. Based on the solubility data, the phase diagram of the system has also been plotted, in which there are two invariant point E and F(see Fig.1), five univariant curves E1F, E2F, E3E, E4E and EF, and four crystallization fields: Na2CO3·10H2O,Li2B4O7·3H2O,Na2B4O7·10H2O, Li2CO3.更多还原