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本文报道西藏扎布耶盐湖卤水三元子体系K2CO3-KCl-H2O298 K介稳平衡实验数据,并绘制出介稳平衡相图。结果表明:该三元体系属简单共饱型,无复盐或固溶体形成;介稳平衡相图中单变度曲线(AE和BE)对应的介稳平衡固相分别为:K2CO3.3/2 H2O和KCl。与该体系对应的稳定相图比较:氯化钾、碳酸钾石与平衡相图中结晶形式一致。
This paper reports the experimental data of the metastable equilibrium of K2CO3-KCl-H2O298K ternary system in Zabuye Salt Lake, Tibet, and the metastable equilibrium phase diagram is drawn. The results show that the ternary system is simple saturated with no salt or solid solution. The metastable stationary phases corresponding to the univariate curves (AE and BE) in the metastable equilibrium phase diagram are K2CO3.3 / 2 H2O and KCl. Compared with the corresponding stable phase diagram of the system: potassium chloride, potassium carbonate rock and equilibrium phase diagram of the same crystal form.