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中文摘要：
采用等温溶解平衡法测定了三元体系KCl一KBr—H2O 323K时的相平衡数据，测定了平衡液相的溶解度和密度，依据湿渣法和x射线衍射相结合的方法对平衡固相组成做了分析。根据实验结果绘制了该三元体系在323K时的相图，研究表明：该三元体系相图属于完全互溶的固体溶液型相图，在323K的溶解度等温图中有1个固溶体结晶区K（Cl，Br），1条单变量曲线。还简要讨论了密度变化规律。同时和翁延博等人对该体系做的298K，313K，333K时的相平衡研究做了对比。
英文摘要：
Solubilities in the ternary system KCl - KBr - H2O at 323 K was investigated by i- sothermal equilibrium method. The saturated solution density was measured. The equilibrium solid phase was also determined by analyzed wet residue an X - ray spectroscopy. Based on the experimental data,the phase diagram of the ternary system at 323 K was obtained, which comprises one univariant curve and one stationary phase in crystallization filed of K（ Cl, Br）. The ternary system is a solid solution. The density rules were discussed briefly and the phase diagram of the ternary system at 323 K was compared with the phase diagram of the ternary system at 298K, 313K, 333 K.
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