A new sorbent for uranium extraction: Polyethyleniminephenylphosphonamidic acid

被引：47

作者：

Abderrahim, O. ^{[1
]}

Didi, M. A. ^{[1
]}

Villemin, D. ^{[1
]}

机构：

[1] Univ Caen, CNRS, ENSI Caen, LCMT,UMR 6507, F-14050 Caen, France

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2009年 / 279卷 / 01期

关键词：

SEPARATION; PRECONCENTRATION; ADSORPTION; DERIVATIVES; REMOVAL; METALS; U(VI); RESIN;

D O I：

10.1007/s10967-007-7270-z

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new sorbent, polyethyleniminemethylenephosphonamidic acid (PEIPPA), was synthesized from commercially available polyethylenimine and P,P-dichlorophenylphosphine oxide. After characterization by (H-1, C-13, P-31) NMR and FTIR, the new ion-exchange polymer has been investigated in liquid-solid extraction of uranium. The extraction strongly depends on the pH, initial concentration of uranium, extractant to analyte ratio (mol/mol), ionic strength of the liquid medium and their mutual interactions. Such interactions were investigated through factorial 3(3) experimental designs in order to achieve the best conditions of batch sorption procedure, obtaining the mutual interaction among variables and optimizing these variables. The recovery of U(VI) is almost quantitative.

引用

页码：237 / 244

页数：8

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