A novel solvent-impregnated resin containing 3-hydroxy-2-naphthoic acid for stepwise extraction of Th(IV) and U(VI) over other coexistence ions

被引：13
|
作者：
Hosseini, Mohammad Saeid [1 ]
Bazrafshan, Ali Akbar [2 ]
Hosseini-Bandegharaei, Ahmad [3 ]
机构：
[1] Univ Birjand, Cent Res Lab, Birjand, Iran
[2] Univ Yasuj, Dept Chem, Yasuj, Iran
[3] Sabzevar Univ Med Sci, Fac Hlth, Wastewater Div, Sabzevar, Iran
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2016年 / 51卷 / 08期
关键词：
3-Hydroxy-2-naphthoic acid; Ambelite XAD-2; Arsenazo III; Th(IV); U(VI); solvent-impregnated resin (SIR); PLASMA-MASS SPECTROMETRY; SOLID-PHASE; THORIUM; URANIUM; PRECONCENTRATION; LANTHANIDES; SEPARATION; SAMPLES; NEUTRON; LA(III);
D O I：
10.1080/01496395.2016.1147465
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new solvent-impregnated resin (SIR) was constructed using Amberlite XAD-2 and 3-hydroxy-2-naphthoic acid (3H2NA). The SIR was applied for stepwise extraction of Th(IV) and U(VI) from the coexistence ions dissolved in aqueous media at pHs of 3.0 and 7.0, respectively. The U(VI) and Th(IV) ions adsorbed on the minicolumn were consecutively eluted with 0.5 M and 4 M HCl solutions. They were then measured by Arsenazo III at their maximum absorption wavelengths. The characteristic parameters for the successful separation of these ions from the aqueous media were investigated. The SIR showed excellent reproducibility during the 800 subsequent extraction cycles.
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页码：1328 / 1335
页数：8
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