Sorption behaviour of lanthanum(III), neodymium(III), terbium(III), thorium(IV) and uranium(VI) on Amberlite XAD-4 resin functionalized with bicine ligands

被引:136
作者
Dev, K [1 ]
Pathak, R [1 ]
Rao, GN [1 ]
机构
[1] Indian Inst Technol, Dept Chem, New Delhi 110016, India
关键词
sorption behaviour; bicine ligands; chelation; complexing;
D O I
10.1016/S0039-9140(98)00274-4
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The complexing properties (capacity, pH effect, breakthrough curve) of a chelating resin, containing bicine ligands, were investigated for La(III), Nd(III), Tb(III), Th(IV) and U(VI). Trace amounts of these metal ions were quantitatively retained on the resin and recovered by eluting with 1 M hydrochloric acid. The capacity of the resin for La(III), Nd(III), Tb(III), Th(IV) and U(VI) was found to be 0.35, 0.40, 0.42, 0.25 and 0.38 mmol g(-1) respectively. Separation of U(VI) and Th(IV) from Ni(II), Zn(II), Co(II) and Cu(II) in a synthetic solution was carried out. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:579 / 584
页数:6
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