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Sequential Injection Method for Rapid and SimultaneousDetermination of 236U, 237Np, and Pu Isotopes in Seawater
Qiao,JX(Qiao,Jixin)[1]; Hou,XL(Hou,Xiaolin)[1,2]; Steier,P(Steier, Peter)[3]; Golser, R(Golser,Robin)[3]
2013
发表期刊analytical chemistry
卷号85页码:11026-11033
文章类型期刊论文
摘要An automated analytical method implemented in a novel dualcolumn tandem sequential injection (SI) system was developed for simultaneous determination of 236U, 237Np, 239Pu, and 240Pu in seawater samples. A combination of TEVA and UTEVA extraction chromatography was exploited to separate and purify target analytes, whereupon plutonium and neptunium were simultaneously isolated and purified on TEVA, while uranium was collected on UTEVA. The separation behavior of U, Np, and Pu on TEVA−UTEVA columns was investigated in detail in order to achieve high chemical yields and complete purification for the radionuclides of interest. 242Pu was used as a chemical yield tracer for both plutonium and neptunium. 238U was quantified in the sample before the separation for deducing the 236U concentration from the measured 236U/238U atomic ratio in the separated uranium target using accelerator mass spectrometry. Plutonium isotopes and 237Np were measured using inductively coupled plasma mass spectrometry after separation. The analytical results indicate that the developed method is robust and efficient, providing satisfactory chemical yields (70−100%) of target analytes and relatively short analytical time (8 h/sample).
DOI10.1021/ac402673p
收录类别SCI
语种英语
引用统计
被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/10881
专题加速器质谱中心
通讯作者Qiao,JX(Qiao,Jixin)[1]
作者单位1.Center of Nuclear Technologies, Technical University of Denmark, DTU Risø Campus, DK-4000 Roskilde, Denmark;
2.Xi’an AMS Center and SKLLQG, Institute of Earth Environment, Chinese Academy of Science, Xi’an 710075, China;
3.VERA Laboratory, Faculty of PhysicsIsotope Research and Nuclear Physics, University of Vienna, Wahringer Straße 17, A-1090 ̈Vienna, Austria
推荐引用方式
GB/T 7714
Qiao,JX,Hou,XL,Steier,P,et al. Sequential Injection Method for Rapid and SimultaneousDetermination of 236U, 237Np, and Pu Isotopes in Seawater[J]. analytical chemistry,2013,85:11026-11033.
APA Qiao,JX,Hou,XL,Steier,P,&Golser, R.(2013).Sequential Injection Method for Rapid and SimultaneousDetermination of 236U, 237Np, and Pu Isotopes in Seawater.analytical chemistry,85,11026-11033.
MLA Qiao,JX,et al."Sequential Injection Method for Rapid and SimultaneousDetermination of 236U, 237Np, and Pu Isotopes in Seawater".analytical chemistry 85(2013):11026-11033.
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