Ionic imprinted resins based on EDTA and DTPA derivatives for lanthanides(III) separation

被引：83

作者：

Vigneau, O

Pinel, C

Lemaire, M

机构：

[1] UCBL, UMR 5622, Lab Catalyse & Synthese Organ, F-69622 Villeurbanne, France

[2] Inst Rech Catalyse, F-69626 Villeurbanne, France

来源：

ANALYTICA CHIMICA ACTA | 2001年 / 435卷 / 01期

关键词：

lanthanide; DTPA derivatives; EDTA derivatives; ionic recognition;

D O I：

10.1016/S0003-2670(00)01279-4

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Ionic imprinting resins bearing polycarboxylic acids groups were studied in lanthanides(III) separation. Two monomers, diethylenetriamine pentaacetic acid (DTPA) and ethylenediaminetetraacetic acid (EDTA) derivatives, were synthesised and then polymerised in alcoholic medium using a free radical source. Solid-liquid competitive extraction was carried out using an aqueous solution containing gadolinium(III) and lanthanum(III) cations. Crosslinking ratios, conditioning of resins and type of chelating monomers were studied. Best results were obtained when polymers based on DTPA derivative were converted to H+ form. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：75 / 82

页数：8

共 28 条

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