Determination of U-236 in environmental samples by single extraction chromatography coupled to triple-quadrupole inductively coupled plasma-mass spectrometry
Yang GS(杨国胜); Yang, GS; Tazoe, H; Yamada, M
刊名ANALYTICA CHIMICA ACTA
2016
卷号944页码:44
关键词U-236 activity U-236/U-238 Triple-quadrupole inductively coupled plasma-mass spectrometry Soil Fukushima Daiichi nuclear power plant accident
DOI10.1016/j.aca.2016.09.033
文章类型期刊论文
英文摘要In order to measure trace U-236 and U-236/U-238 in environmental samples with a high matrix effect, a novel and simple method was developed that makes the digestion and purification procedures compatible with advanced triple-quadrupole inductively coupled plasma-mass spectrometry. A total dissolution of sample with HF + HNO3 + HClO4 was followed by chromatographic separation with a single resin column containing normal type DGA resin (N, N, N', N'-tetra-n-octyldiglycolamide) as the extractant system. The analytical accuracy and precision of U-236/U-238 ratios, measured as (UO+)-U-236-O-16/(UO+)-U-238-O-16, were examined by using the reference materials IAEA-135, IAEA-385, IAEA-447, and JSAC 0471. The low method detection limit (3.50 x 10(-6) Bq kg(-1)) makes it possible to perform routine monitoring of environmental U-236 due to global fallout combined with the Fukushima Daiichi Nuclear Power Plant accident fallout (> 10(-5) Bq kg(-1)). Finally, the developed method was successfully applied to measure U-236/U-238 ratios and U-236 activities in soil samples contaminated by the accident. The low U-236/U-238 atom ratios ((1.50 -13.5) x 10(-8)) and U-236 activities ((2.25-14.1) x 10(-2) mBq kg(-1)) indicate U-236 contamination was mainly derived from global fallout in the examined samples. (C) 2016 Elsevier B.V. All rights reserved.
类目[WOS]Chemistry, Analytical
关键词[WOS]NUCLEAR-POWER-PLANT ; FUKUSHIMA PREFECTURE ; RAPID-DETERMINATION ; ISOTOPIC-RATIOS ; SOIL SAMPLES ; ICP-MS ; URANIUM ; AMS ; FALLOUT ; PU
WOS记录号WOS:000385841200005
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260513
专题中国科学院高能物理研究所_核技术应用研究中心_期刊论文
作者单位中国科学院高能物理研究所
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GB/T 7714
Yang GS,Yang, GS,Tazoe, H,et al. Determination of U-236 in environmental samples by single extraction chromatography coupled to triple-quadrupole inductively coupled plasma-mass spectrometry[J]. ANALYTICA CHIMICA ACTA,2016,944:44.
APA 杨国胜,Yang, GS,Tazoe, H,&Yamada, M.(2016).Determination of U-236 in environmental samples by single extraction chromatography coupled to triple-quadrupole inductively coupled plasma-mass spectrometry.ANALYTICA CHIMICA ACTA,944,44.
MLA 杨国胜,et al."Determination of U-236 in environmental samples by single extraction chromatography coupled to triple-quadrupole inductively coupled plasma-mass spectrometry".ANALYTICA CHIMICA ACTA 944(2016):44.
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