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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
Source PublicationCHINESE PHYSICS C
Volume41Issue:1
SubtypeArticle
AbstractThe 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.
KeywordAccelerator Mass Spectrometry Be-7 Be-10 Rainwater Atmospheric Tracer
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/1674-1137/41/1/018201
WOS KeywordATMOSPHERIC DEPOSITION ; AMS CENTER ; HALF-LIFE ; ICE CORE ; BE-7 ; PRECIPITATION ; TRANSPORT ; PB-210 ; RECONSTRUCTION ; REVERSAL
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000393254200025
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Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5535
Collection加速器质谱中心
Affiliation1.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
Recommended Citation
GB/T 7714
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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