THE PROGRESS OF 14C-AMS ANALYSIS FOR ULTRA-SMALL SAMPLES AT XI'AN AMS CENTER

被引：0
|
作者：
Du, Hua [1 ,2 ]
Fu, Yunchong [1 ,2 ,4 ]
Cheng, Peng [1 ,2 ,4 ]
Zhao, Haiyan [2 ,3 ]
Hou, Yaoyao [1 ,2 ]
Xiong, Xiaohu [1 ,2 ]
Gu, Huachun [2 ,3 ]
Yang, Ling [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
[2] Xian AMS Ctr, Shaanxi Key Lab Accelerator Mass Spectrometry Tech, Xian 710061, Peoples R China
[3] Xian Inst Innovat Earth Environm Res, Xian 710061, Peoples R China
[4] Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710049, Peoples R China
来源：
RADIOCARBON | 2024年 / 66卷 / 05期
基金：
中国科学院西部之光基金;
关键词：
AMS; graphitization reactor; radiocarbon background correction; radiocarbon; ultra-small samples; ACCELERATOR MASS-SPECTROMETRY; SITU COSMOGENIC C-14; GAS ION-SOURCE; RADIOCARBON MEASUREMENTS; CARBON SAMPLES; MU-G; GRAPHITIZATION; EXTRACTION; UNIVERSITY; SYSTEM;
D O I：
10.1017/RDC.2023.55
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
As there exists a growing demand for chronological research and tracer applications using radiocarbon (C-14) analyses of samples smaller than 100 & mu;g C, a compact micro-specific hydrogen graphitization method has been developed at the Xi'an Accelerator Mass Spectrometry (AMS) Center. This article describes the performance of the system and the mass of carbon background produced during ultra-small sample preparation. Furthermore, we discuss the results of contamination corrections and perform C-14 analyses on small samples with known age or reference values. The results reveal that our C-14 analysis of ultra-small samples of 10-100 & mu;g C can obtain accurate and reliable results, and the micro-scale C-14-AMS analysis technique meets our research objectives for dating and tracer applications.
引用
收藏
页码：1087 / 1104
页数：18
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