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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%.
The solubility and the refractive index of the ternary system LiCl_NH4Cl_H2O at 0 ℃ and 30 ℃ were measured and the corresponding isothermal solubility diagrams and refractive index diagrams were plotted.The results showed that the systems of 0 ℃ and 30 ℃ were all simple saturated , The solubility curve and refractive index curve are composed of two branches, corresponding to LiCl · H2O and NH4Cl respectively.The composition of LiCl and NH4Cl at 28 ℃, 30% and 30% respectively at 0 ℃ and 30 ℃, 44 80%, 351%.