Issue 10, 2011
From the journal:

Journal of Analytical Atomic Spectrometry

Determination of uranium isotopic ratio (235U/238U) using extractive electrospray ionization tandem mass spectrometry†

Chunxiao Liu,‡a   Bin Hu,‡b   Jianbo Shi,a   Jianqiang Li,b   Xinglei Zhangb  and  Huanwen Chen*b  

* Corresponding authors

a State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, P.O. Box 2871, Beijing, P. R. China

b Jiangxi Key Laboratory for Mass Spectrometry and Instrumentation, College of Chemistry, Biology and Material Science, East China Institute of Technology, Nanchang, Jiangxi Province, P. R. China
E-mail: chw8868@gmail.com
Fax: (+86)-791-3896-370
Tel: (+86)-791-3896-370

Abstract

Extractive electrospray ionization (EESI) mass spectrometry (MS), a typical MS platform for detection of organic compounds, has been used for quantitative detection of uranium isotopic ratio (235U/238U) in uranyl nitrate solution samples, which were prepared from various samples including natural water samples, uranium ore samples and soil samples using nitric acid. This method requires minimal sample pretreatment and no high resolution instruments. The typical time for analysis of a single liquid sample was about 5 min since the prepared sample solutions were directly infused into the EESI source without separation or preconcentration. The relative errors for uranium isotope measurements were in the range of 0.21%–0.25% and the corresponding relative standard deviation (RSD) values were 1.54%–1.81% for the ore samples. The results obtained by EESI-MS for direct analysis of 5 soil samples were validated by using ICP-MS. These findings confirmed that EESI-MS can be employed for quantitative measurement inorganic compounds present in a complex matrix. The fast detection of uranium isotopes shows potential applications of EESI-MS in nuclear research laboratories and the nuclear energy industry.

Graphical abstract: Determination of uranium isotopic ratio (235U/238U) using extractive electrospray ionization tandem mass spectrometry

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Article information

DOI
https://doi.org/10.1039/C1JA10054H
Article type
Technical Note
Submitted
13 Feb 2011
Accepted
26 May 2011
First published
14 Jul 2011
This article is Open Access

J. Anal. At. Spectrom., 2011,26, 2045-2051

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Determination of uranium isotopic ratio (235U/238U) using extractive electrospray ionization tandem mass spectrometry

C. Liu, B. Hu, J. Shi, J. Li, X. Zhang and H. Chen, J. Anal. At. Spectrom., 2011, 26, 2045 DOI: 10.1039/C1JA10054H

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