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三元体系LiCl-NH₄Cl-H₂O的相平衡研究（0℃,30℃）

The Equilibrium of the Ternary System LiCl-NH₄Cl-H₂O（0℃,30℃）

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【Author】 WANG Zhi-yin, HE Yun-hua, NIE Feng, DANG Zhong-hai, WANG Jian-feng, LIU Jian-Cheng, YING Qin (Department of Chemistry, Shaanxi University of Technology, Hanzhong 723000, Shaanxi, China)

【机构】陕西理工学院化学系；陕西理工学院化学系陕西汉中723000；陕西汉中723000；陕西汉中723000；

【摘要】测定了三元体系LiCl＿NH4Cl＿H2O在0℃、30℃时的溶解度和饱和溶液的折光率,绘制了相应的等温溶度图及折光指数图.结果表明0℃和30℃时体系均为简单共饱型,其溶度曲线和折光率曲线均由两支组成,分别对应于LiCl·H2O和NH4Cl.在0℃和30℃时LiCl和NH4Cl共饱点的组成质量分数分别为28 50%,3 50%;44 80%,3 51%.更多还原

【Abstract】 The solubilities and the refractive indexes of the saturated solutions in the system LiCl-NH4Cl-H2O at 0℃and 30℃have been determined,and correspound equilibrium phase diagram and the refractive index curve were constructed. The refractive index curve of saturated solutions consists of two branches, corresponding to LiCl·H2O and NH4Cl,respetevly.The composition of eutectic solution is LiCl=28.50%, NH4Cl=3.50%(at 0℃)and LiCl=44.80%, NH4Cl=3.51%(at 30℃).更多还原