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《Journal of Fuzhou University(Natural Sciences Edtion)》 1997-06
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Solvent Extraction of Rare Earth Elements with Bidentate Heterocyclic Amine Ligands Ⅵ —The Influence of Diluent

Zheng Xiaoling Ni Zhaoai(Department of Chemistry, Fuzhou University, Fuzhou, 350002))  
The solvent extraction behavior of rare earth picrate with three kinds of bidentate heterocyclic amine ligand separately in three kinds of diluent have been investigated, where ligands are αα′-bipyridine (Bipy) 1.10-phenanthrotine (phen), 4.7-diphenyl-phenanthroline (DPP), diluents are CCl4,CHCl3, CH2Cl2. The experiments show that the difference of dielectric constant of diluents influences not only extraction compound composition, but also log D-Z curves and relative separation factor.
【Fund】: 福建省自然科学基金
【CateGory Index】: O658.2
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