高等学校化学学报

高等学校化学学报 ›› 1985, Vol. 6 ›› Issue (4): 298.

• 研究简报 • 上一篇    下一篇

稀土硝酸盐冠醚配合物(Ⅺ)——Y(NO3)3·3H2O-B15C5-C2H5OH三元体系18℃时溶解度的研究

任德厚, 蒋海盈, 何明安, 李成林, 裴红   

  1. 西北大学化学系
  • 收稿日期:1983-10-08 出版日期:1985-04-24 发布日期:1985-04-24

Complexes of Crown Ether with the Rare Earth Nitrates(Ⅺ)—Studies on Solubilities of the Ternary System, Y(NO3)3·3H2O-B15C5-C2H5OH, at 18℃

Ren Dehou, Jiang Haiying, He Mingan, Li Chenglin, Pei Hong   

  1. Department of Chemistry, Northwest University, Xi'an
  • Received:1983-10-08 Online:1985-04-24 Published:1985-04-24

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摘要： 我们曾用自己设计的半微量相平衡方法,研究了Y(NO3)3·3H2O与冠醚B15C5分别在乙腈和丙酮中的溶解度。本文进一步研究了Y(NO3)3·3H2O与冠醚B15C5在乙醇中的配合行为,以观察溶剂对所形成配合物组成的影响。图1是Y(NO3)3·3H2O-B15C5-C2H5OH三元体系在18℃时的溶解度结果。

Abstract: The solubilities of the ternary system, Y(NO3)3·3H2O·Bl5C5·C2H5OH, at 18℃ have been investigated by the modified semimicro phase equilibrium method. The results indicated that there are two solubility curves for this ternary system, the long one correspounds to the solid phase of the complex, Y(NO3)3·B15C5·3H2O· 1.5C2H5OH, the short one to solid phase of B15C5. The curve of refractive indices for saturated solutions consists of two branch lines, which correspound with two branch lines of solubility curve. We have not found another complex species having different ratios, Y/crown.

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