A New capability for Ca-41 analysis using CaF3- at the Xi'an-AMS

doi:10.1016/j.nimb.2018.05.009

	A New capability for Ca-41 analysis using CaF3- at the Xi'an-AMS
	Fu Yun-Chong 2,3,4; Zhou Wei-Jian 1,2,4; Cheng Peng 2,4; Zhang Lu-Yuan 2,4
刊名	NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
	2019
卷号	438 页码:162-165
关键词	Ca-41 Xi'an-AMS Calcium absorption rate "White Jade" land snail
ISSN号	0168-583X
DOI	10.1016/j.nimb.2018.05.009
通讯作者	Fu Yun-Chong(fuyc@ieecas.cn)
英文摘要	The 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.
资助项目	Chinese Academy of Sciences: CAS Light of West China Program[XAB2016A01] ; Youth Innovation Promotion Association CAS[2017452] ; CAS Key Technology Talent Program
WOS关键词	BONE
WOS研究方向	Instruments & Instrumentation ; Nuclear Science & Technology ; Physics
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000453491500029
资助机构	Chinese Academy of Sciences: CAS Light of West China Program ; Youth Innovation Promotion Association CAS ; CAS Key Technology Talent Program
内容类型	期刊论文
源URL	[http://ir.ieecas.cn/handle/361006/14474]
专题	地球环境研究所_加速器质谱中心
通讯作者	Fu Yun-Chong
作者单位	1.Qingdao Natl Lab Marine Sci & Technol, Open Studio Ocean Continental Climate & Environm, Qingdao 266061, Peoples R China 2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Shaanxi, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Xian AMS Ctr, Shaanxi Key Lab Accelerator Mass Spectrometry Tec, Xian 710061, Shaanxi, Peoples R China
推荐引用方式 GB/T 7714	Fu Yun-Chong,Zhou Wei-Jian,Cheng Peng,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 Yun-Chong,Zhou Wei-Jian,Cheng Peng,&Zhang Lu-Yuan.(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 Yun-Chong,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.