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Preliminary study of Be-10/Be-7 in rainwater from Xi'an by Accelerator Mass Spectrometry
Zhang, Li1,3; Fu, Yun-Chong1,2,3
2017
发表期刊CHINESE PHYSICS C
卷号41期号:1
文章类型Article
摘要The Be-10/Be-7 ratio is a sensitive tracer for the study of atmospheric transport, particularly with regard to stratosphere-troposphere exchange. Measurements with high accuracy and efficiency are crucial to Be-7 and Be-10 tracer studies. This article describes sample preparation procedures and analytical benchmarks for Be-7 and Be-10 measurements at the Xi'an Accelerator Mass Spectrometry (Xi'an-AMS) laboratory for the study of rainwater samples. We describe a sample preparation procedure to fabricate beryllium oxide (BeO) AMS targets that includes co-precipitation, anion exchange column separation and purification. We then provide details for the AMS measurement of Be-7 and Be-10 following the sequence BeO--> Be2+-> Be4+ in the Xi'an- AMS. The Be-10/Be-7 ratio of rainwater collected in Xi'an is shown to be about 1.3 at the time of rainfall. The virtue of the method described here is that both Be-7 and Be-10 are measured in the same sample, and it is suitable for routine analysis of large numbers of rainwater samples by AMS.
关键词Accelerator Mass Spectrometry Be-7 Be-10 Rainwater Atmospheric Tracer
WOS标题词Science & Technology ; Physical Sciences
DOI10.1088/1674-1137/41/1/018201
关键词[WOS]ATMOSPHERIC DEPOSITION ; AMS CENTER ; HALF-LIFE ; ICE CORE ; BE-7 ; PRECIPITATION ; TRANSPORT ; PB-210 ; RECONSTRUCTION ; REVERSAL
收录类别SCI
语种英语
WOS研究方向Physics
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000393254200025
引用统计
被引频次:1[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/361006/5535
专题加速器质谱中心
作者单位1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Xian AMS Ctr, Shaanxi Key Lab Accelerator Mass Spectrometry Tec, Xian 710061, Peoples R China
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Zhang, Li,Fu, Yun-Chong. Preliminary study of Be-10/Be-7 in rainwater from Xi'an by Accelerator Mass Spectrometry[J]. CHINESE PHYSICS C,2017,41(1).
APA Zhang, Li,&Fu, Yun-Chong.(2017).Preliminary study of Be-10/Be-7 in rainwater from Xi'an by Accelerator Mass Spectrometry.CHINESE PHYSICS C,41(1).
MLA Zhang, Li,et al."Preliminary study of Be-10/Be-7 in rainwater from Xi'an by Accelerator Mass Spectrometry".CHINESE PHYSICS C 41.1(2017).
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