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Citation: Sun Yuanhong, Liu Jingxin, Liu Yingping, Song Xianghong, Zuo Huiying. Synthesis and Characterization of Mixed Ligand Complexes of Rare Earths with Amino Acids[J]. Chinese Journal of Applied Chemistry, ;1996, 13(1): 50-53. shu

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

1.
Department of Chemistry, Inner Mongolia University, Huhehot 010021

Received Date: 15 May 1995
Available Online: 6 October 1995
Fund Project:

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:⁵D₀→⁷F₂;Tb:⁵D₀→⁷F₅,⁷F₆) have increased by 10-fold as compared with those of the corresponding perchlorate hydrates of Eu(Ⅲ) and Tb(Ⅲ).
- rare earth complex,
- glycine,
- L-alanine,
- fluorescence spectrumi
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