| 三元体系KCl-SrCl2-H2O 25 ℃相平衡研究 |
| Phase Equilibria in Ternary System KCl-SrCl2-H2O at 25℃ |
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| 摘要: |
| 关键词: 相平衡 溶解度 氯化钾 氯化锶 |
| 基金项目: |
| Abstract: Phase equilibria in the ternary system KCl-SrCl2-H2O at 25 ℃ was studied by using the isothermal method. Density and refractive index of the solution were also determined. The phase diagram was plotted according to the experimental data. In the equilibrium phase diagram of KCl-SrCl2-H2O, there is one invariant point, two univariant curves and two regions of crystallization: KCl and SrCl2·6H2O. In the invariant point, the composition of the liquid phase (mass fraction, wB) was wKCl 7.22%, wSrCl2 32.31%, the solid phase was KCl and SrCl2·6H2O. Neither double salts nor solid solutions between KCl and SrCl2·6H2O were found, and dehydration of SrCl2·6H2O didn′t occur in the system. The system is a simple eutectic type. |
| Keywords: phase equilibrium solubility potassium chloride strontium chloride |
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| 时历杰,孙 柏,丁秀萍,宋彭生.三元体系KCl-SrCl2-H2O 25 ℃相平衡研究[J].无机化学学报,2010,26(2):333-338. |
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