| 四元体系LaCl3-ZnCl2-HCl(7%)-H2O(25℃)和三元体系ZnCl2-HCl-H2O(25℃)相平衡的研究 |
| Study on Quaternary System LaCl3-ZnCl2-HCl(7%)-H2O and Ternary System ZnCl2-HCl-H2O at 25℃ |
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| 摘要: 测定了四元体系LaCl3-ZnCl2-HCl(7%)-H2O(25℃)的稳定平衡的溶度数据，绘制了相应的溶度图。该体系是由5个固相区LaCl3·7H2O(原始盐)、3LaCl3·2ZnCl2·25H2O、LaCl3·2ZnCl2·11H2O、2LaCl3 |
| 关键词: 四元体系 三元体系 氯化镧 氯化锌 |
| 基金项目: |
| Abstract: The equilibrium solubility of the saturated solution of LaCl3-ZnCl2-HCl(7%)-H2O(25℃) quaternary system was determined and the corresponding equilibrium diagram was constructed. The result shows that this system at 25℃is a complex with five solid-phase compounds LaCl3·7H2O， 3LaCl3·2ZnCl2·25H2O， LaCl3·2ZnCl2·11H2O， 2LaCl3·7ZnCl2·23H2O and ZnCl2·H2O·0.5HCl， respectively. Last four compounds have not yet been reported in literatures. The compound 3LaCl3·2ZnCl2·25H2O has been also characterized by X-ray diffrac-tion.When HCl(wt) >5.48% in liquid phase， Zinc chloride forms the compound ZnCl2·H2O·0.5HCl， and it has been verified in ZnCl2-HCl-H2O(25℃) ternary system. |
| Keywords: quaternary system ternary system lanthanum chloride zinc chloride |
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| 乔占平,卓立宏,张书申,王惠.四元体系LaCl3-ZnCl2-HCl(7%)-H2O(25℃)和三元体系ZnCl2-HCl-H2O(25℃)相平衡的研究[J].无机化学学报,2003,19(3):303-306. |
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