Rapid determination of plutonium isotopes in small samples using single anion exchange separation and ICP-MS/MS measurement in NH3-He mode for sediment dating

doi:10.1016/j.talanta.2021.123152

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	Rapid determination of plutonium isotopes in small samples using single anion exchange separation and ICP-MS/MS measurement in NH3-He mode for sediment dating
	Xu, Yihong 1; Li, Chen 1; Yu, Haiping 1; Fang, Fengman 1; Hou, Xiaolin 2,3; Zhang, Chao 1; Li, Xiaofei 1; Xing, Shan 4
通讯作者	Xu, Yihong(yhxu@ahnu.edu.cn) ; Xing, Shan(xingshan.yc@foxmail.com)
	2022-04-01
发表期刊	TALANTA
ISSN	0039-9140
卷号	240 页码:9
摘要	To accurately determine ultra-trace Pu isotopes in small environmental samples, we explored ICP-MS/MS in NH3-He mode, and investigated mechanism of U-238 interference removal and measurement sensitivity improvement for plutonium isotopes. The interference of uranium and uranium hydrides was effectively eliminated using 0.4 mL/min NH3 as reaction gas by shifting them to U(NHm)(n)(+) and UH(NHm)(n)(+). The overall interference of uranium was reduced to <2.4 x 10 (-7), while remaining excellent Pu-239 sensitivity (13,900 Mcps/(mg/L)) mainly due to ion focusing effect of Pu by helium gas. On this basis, the purification of plutonium using a single AG1- x 4 column was proved to be sufficient for accurate determination of plutonium isotopes by the developed detection method, and the detection limits for the method were estimated to be 0.16 fg (0.4 mu Bq) for Pu-239, 0.046 fg (0.4 mu Bq) for Pu-240 and 0.039 fg (0.15 mBq) for Pu-241. The method was validated by analyzing plutonium isotopes in certificated reference materials and reported environmental samples of only 1-2 g. The analytical results of ultra-trace Pu isotopes in small amounts (similar to 1 g) of lake sediments obtained by the developed method were successfully applied to sediment dating.
关键词	ICP-MS/MS NH3-He mode Elimination of uranium interference Plutonium isotopes Sediment dating
DOI	10.1016/j.talanta.2021.123152
关键词[WOS]	INDUCTIVELY-COUPLED PLASMA ; ENVIRONMENTAL-SAMPLES ; PU ISOTOPES ; MASS-SPECTROMETRY ; SOIL-EROSION ; PU-241 ; SEA
收录类别	SCI ; SCI
语种	英语
资助项目	National Natural Science Foundation of China[41877449] ; National Natural Science Foundation of China[12175201] ; Anhui Normal University ; Scientific Research Program for Young Talents of the China National Nuclear Corporation ; 2020 National Innovation and Entrepreneurship Training Program for college students[202001372082] ; Environmental Radioactivity Network Center (ERAN)[I-21-19]
WOS研究方向	Chemistry
项目资助者	National Natural Science Foundation of China ; Anhui Normal University ; Scientific Research Program for Young Talents of the China National Nuclear Corporation ; 2020 National Innovation and Entrepreneurship Training Program for college students ; Environmental Radioactivity Network Center (ERAN)
WOS类目	Chemistry, Analytical
WOS记录号	WOS:000759222000003
出版者	ELSEVIER
引用统计	被引频次：11[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/361006/17560
专题	加速器质谱中心
通讯作者	Xu, Yihong; Xing, Shan
作者单位	1.Anhui Normal Univ, Sch Geog & Tourism, Key Lab Earth Surface Processes & Reg Response Ya, Wuhu 241002, Peoples R China 2.Tech Univ Denmark, Dept Environm Engn, Riso Campus, DK-4000 Roskilde, Denmark 3.Chinese Acad Sci, Xian AMS Ctr, Inst Earth Environm, State Key Lab Loess & Quaternary Geol,Shaanxi Key, Xian 710061, Peoples R China 4.China Inst Radiat Protect, Taiyuan 030000, Peoples R China
推荐引用方式 GB/T 7714	Xu, Yihong,Li, Chen,Yu, Haiping,et al. Rapid determination of plutonium isotopes in small samples using single anion exchange separation and ICP-MS/MS measurement in NH3-He mode for sediment dating[J]. TALANTA,2022,240:9.
APA	Xu, Yihong.,Li, Chen.,Yu, Haiping.,Fang, Fengman.,Hou, Xiaolin.,...&Xing, Shan.(2022).Rapid determination of plutonium isotopes in small samples using single anion exchange separation and ICP-MS/MS measurement in NH3-He mode for sediment dating.TALANTA,240,9.
MLA	Xu, Yihong,et al."Rapid determination of plutonium isotopes in small samples using single anion exchange separation and ICP-MS/MS measurement in NH3-He mode for sediment dating".TALANTA 240(2022):9.