Chinese Journal of Applied Chemistry ›› 1996, Vol. 0 ›› Issue (1): 50-53.

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Synthesis and Characterization of Mixed Ligand Complexes of Rare Earths with Amino Acids

Sun Yuanhong, Liu Jingxin, Liu Yingping, Song Xianghong, Zuo Huiying   

  1. Department of Chemistry, Inner Mongolia University, Huhehot 010021
  • Received:1995-05-15 Revised:1995-10-06 Published:1996-02-10 Online:1996-02-10

Abstract: The ternary complexes RE(Gly)2.5(Ala)1.5(ClO4)3·H2O(RE=La~Lu except Pm;Gly=glycine;Ala=L-alanine) have been synthesized in aqueous solution and characterized by elemental analysis,amino acid analysis,IR,1H NMR,13C NMR, X-ray diffraction,thermal analysis and fluorescence spectrometry.The fluorescence intensities of the complexes of Eu(Ⅲ) and Tb(Ⅲ) (Eu:5D07F2;Tb:5D07F5,7F6) have increased by 10-fold as compared with those of the corresponding perchlorate hydrates of Eu(Ⅲ) and Tb(Ⅲ).

Key words: rare earth complex, glycine, L-alanine, fluorescence spectrumi