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Accurate and Precise Determination of Boron Isotopic Ratios at Low Concentration by Positive Thermal Ionization Mass Spectrometry Using Static Multicollection of Cs2BO2+ Ions
He, MY (He, Mao-yong)[ 1 ]; Xiao, YK (Xiao, Ying-kai)[ 2 ]; Jin, ZD (Jin, Zhang-dong)[ 1 ]; Ma, YQ (Ma, Yun-qi)[ 2 ]; Xiao, J (Xiao, Jun)[ 1 ]; Zhang, YL (Zhang, Yan-ling)[ 2 ]; Luo, CG (Luo, Chong-guang)[ 3 ]; Zhang, F (Zhang, Fei)[ 1 ]
2013-07-02
发表期刊ANALYTICAL CHEMISTRY
卷号85期号:13页码:6248-6253
文章类型期刊论文
摘要

A static double-collector system for accurate, precise, and rapid boron isotope analysis has been established by employing a newly fixed Faraday H3 and H4 cup enabling simultaneously collected Cs2BO2+ ion beams (m/z = 308 and 309) on a Finnigan-MAT Triton thermal ionization mass spectrometer of boron (Triton B). The experimental result indicated that Cs2BO2+ ion beams (m/z = 308 and 309) were simultaneously collected using a fixed Faraday H3 and H4 cup without using the "Zoom Quad" function and reduced accelerating voltage. Furthermore, the method enabled the measurement of samples containing as little as 20 ng of boron. An analysis of the National Institute of Standards and Technology standard reference material (NIST SRM) 951 standard showed external reproducibility (2RSD) of +/- 0.013 parts per thousand, +/- 0.013 parts per thousand, and +/- 0.019 parts per thousand for 100, 50, and 20 ng of boron, respectively. The present method of static multicollection of Cs2BO2+ ions is applicable to a wide field of boron isotopic research that requires high precision and accuracy to analyze samples with low boron concentrations, including pore fluids, foraminifera, rivers, rainwater, and other natural samples.

DOI10.1021/ac400066r
收录类别SCI ; EI
语种英语
引用统计
被引频次:14[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/361006/9917
专题加速器质谱中心
通讯作者He, MY (He, Mao-yong)[ 1 ]
作者单位1.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an710075, People’s Republic of China;
2.CAS Key Laboratory of Salt Lake Resources and Chemistry, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining810008, People’s Republic of China;
3.State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002,People’s Republic of China
推荐引用方式
GB/T 7714
He, MY ,Xiao, YK ,Jin, ZD ,et al. Accurate and Precise Determination of Boron Isotopic Ratios at Low Concentration by Positive Thermal Ionization Mass Spectrometry Using Static Multicollection of Cs2BO2+ Ions[J]. ANALYTICAL CHEMISTRY,2013,85(13):6248-6253.
APA He, MY .,Xiao, YK .,Jin, ZD .,Ma, YQ .,Xiao, J .,...&Zhang, F .(2013).Accurate and Precise Determination of Boron Isotopic Ratios at Low Concentration by Positive Thermal Ionization Mass Spectrometry Using Static Multicollection of Cs2BO2+ Ions.ANALYTICAL CHEMISTRY,85(13),6248-6253.
MLA He, MY ,et al."Accurate and Precise Determination of Boron Isotopic Ratios at Low Concentration by Positive Thermal Ionization Mass Spectrometry Using Static Multicollection of Cs2BO2+ Ions".ANALYTICAL CHEMISTRY 85.13(2013):6248-6253.
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