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本文拟以PEG-400(约为9个EO即EO_9)作为配体,研究其与镧系离子的反应,并合成了组成为(Ln=Pr、Nd、Sm、Eu,Gd、Tb、Dy、Ho、Er、Tm)Ln_2(EO_9)(NO_3)_6固体配合物,求得了配合物的稳定常数和合成产率,红外光谱反映出在400cm~(-2)～1600cm~(-1)范围内配体与配合物的谱峰变化,考察了这类配合物的热谱,比较了X—射线粉末衍射及元素分析数据。
In this paper, PEG-400 (about 9 EO or EO_9) was used as a ligand to study its reaction with lanthanide ions and to synthesize a complex of (Ln = Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm) Ln_2 (EO_9) (NO_3) _6, the stability constants and the yields of the complexes were obtained. The results of IR indicated that the stability was in the range of 400cm ~ (-2) ~ 1600cm ~ Ligands and complexes, the thermal spectra of these complexes were investigated, and the X-ray powder diffraction and elemental analysis data were compared.