用EA-AGE3在JAEA-AMS-TONO进行小质量石墨化放射性碳测年的初步报告

IF 1 4区 地球科学 Q3 GEOCHEMISTRY & GEOPHYSICS
Takahiro Watanabe, N. Fujita, A. Matsubara, M. Miyake, T. Nishio, C. Ishizaka, Y. Saito-Kokubu
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引用次数: 2

摘要

在AMS 14C测量的情况下,通过真空玻璃线从固体样品中纯化CO2气体的过程是作为传统的制备技术进行的。在某些情况下(例如,Morgenroth等人,2000;Yoneda et al., 2004),样品燃烧和气态CO2分离程序由EA自动执行。随后,自动石墨化设备(AGE)由IonPlus AG开发(nnemec et al., 2010;Wacker et al., 2010;Solis et al., 2015)。与EA相结合的AGE设备可作为全自动样品制备系统,用于使用标准尺寸的碳样品(~ 1mg)进行14C测量。事实上,目前第三代AGE设备(AGE3)已经商业化(Solís et al., 2015)。值得注意的是,在使用小体积真空玻璃线手工石墨化后,AMS系统对碳质量低于~ 0.1-0.05 mg的分析物样品进行了小质量14C测量(例如,delqu - kolije et al., 2013)。然而,EA-AGE3系统尚未用于执行IAEA标准的小质量样品石墨化。为了评估EA-AGE3系统在小质量石墨化和高效样品制备技术中的适用性,在JAEA-AMS-TONO上使用EA-AGE3进行小质量石墨化放射性碳定年的初步报告
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Preliminary report on small-mass graphitization for radiocarbon dating using EA-AGE3 at JAEA-AMS-TONO
In the case of AMS 14C measurements, the CO2 gas purification procedure from solid samples by the vacuum glass line has been performed as a traditional preparation technique. In some cases (e.g., Morgenroth et al., 2000; Yoneda et al., 2004), sample combustion and gaseous CO2 separation procedures were automatically performed by the EA. Subsequently, the automated graphitization equipment (AGE) was developed by IonPlus AG (Němec et al., 2010; Wacker et al., 2010; Solis et al., 2015). The AGE equipment combined with EA can be utilized as a fully automated sample preparation system to be employed for 14C measurements using standard-sized carbon samples (~1 mg). In fact, currently the third generation of the AGE equipment (AGE3) is commercially available (Solís et al., 2015). Notably, small-mass 14C measurements have been performed on analyte samples characterized by a carbon mass below ~0.1–0.05 mg by the AMS system after manual graphitization using the small-volume vacuum glass line (e.g., Delqué-Količ et al., 2013). However, the EA-AGE3 system has not yet been utilized to perform small-mass sample graphitization for the IAEA standards. In order to evaluate the suitability of the EA-AGE3 system for use in the small-mass graphitization and highefficiency sample preparation techniques, the EA-AGE3 Preliminary report on small-mass graphitization for radiocarbon dating using EA-AGE3 at JAEA-AMS-TONO
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来源期刊
Geochemical Journal
Geochemical Journal 地学-地球化学与地球物理
CiteScore
1.70
自引率
12.50%
发文量
11
审稿时长
6 months
期刊介绍: Geochemical Journal is an international journal devoted to original research papers in geochemistry and cosmochemistry. It is the primary journal of the Geochemical Society of Japan. Areas of research are as follows: Cosmochemistry; Mineral and Rock Chemistry; Volcanology and Hydrothermal Chemistry; Isotope Geochemistry and Geochronology; Atmospheric Chemistry; Hydro- and Marine Chemistry; Organic Geochemistry; Environmental Chemistry.
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