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A New capability for Ca-41 analysis using CaF3- at the Xi'an-AMS
Fu, YC (Fu Yun-Chong)[ 1,2,3 ] ;  Zhou, WJ (Zhou Wei-Jian)[ 1,3,4 ] ;  Cheng, P (Cheng Peng)[ 1,3 ] ;  Zhang, LY (Zhang Lu-Yuan)[ 1,3 ]
2019
Source PublicationNUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
Volume438Pages:162-165
Contribution Rank1
AbstractThe analysis of Ca-41 can be quantified by measuring the ratio Ca-41/Ca-40. At present, ratios of Ca-41/Ca-40 <= 10(-11) can only be measured by accelerator mass spectrometry (AMS). The sensitivity is mainly limited by the interference of the isobar K-41. With compact AMS (<= 1 MV), abundance sensitivities of 10(-11) to 10(-12) have been demonstrated, but this may necessitate the measurement of K-39 to correct for the K-41 background. With a 3 MV AMS, the dE/dx method can still be used to partially separate "Ca from K-41. In this work, a new capability for Ca-41 analysis has been tested at the Xi'an-AMS. Ca4+ was chosen to achieve a balanced performance between Ca-41/K-41 separation and transmission efficiency. A Ca-41/Ca-40 background level of near 10(-13) was achieved without the need for 39K correction. This new analytical capability at our facility was then applied to Ca-41 tracer samples from our studies on the "White Jade" land snail shells, in which Ca-41 was used as a tracer for studying the absorption rate of calcium.
KeywordBONE
DOI10.1016/j.nimb.2018.05.009
Language英语
WOS IDWOS:000453491500029
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/11268
Collection加速器质谱中心
Affiliation1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Shaanxi, 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, Shaanxi, Peoples R China
4.Qingdao Natl Lab Marine Sci & Technol, Open Studio Ocean Continental Climate & Environm, Qingdao 266061, Peoples R China
Recommended Citation
GB/T 7714
Fu, YC , Zhou, WJ , Cheng, P ,et al. A New capability for Ca-41 analysis using CaF3- at the Xi'an-AMS[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,2019,438:162-165.
APA Fu, YC , Zhou, WJ , Cheng, P ,& Zhang, LY .(2019).A New capability for Ca-41 analysis using CaF3- at the Xi'an-AMS.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,438,162-165.
MLA Fu, YC ,et al."A New capability for Ca-41 analysis using CaF3- at the Xi'an-AMS".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 438(2019):162-165.
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