美国航天局黄金谷的 14c giri 样品:利用 age-3 和吸收催化装置制备石墨

IF 2 3区 地球科学 Q2 GEOCHEMISTRY & GEOPHYSICS
Radiocarbon Pub Date : 2024-04-29 DOI:10.1017/rdc.2024.46
E V Parkhomchuk, A V Petrozhitskiy, M M Ignatov, D V Kuleshov, A I Lysikov, A G Okunev, K A Babina, V V Parkhomchuk
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引用次数: 0

摘要

AMS 金谷实验室配备了两台加速器质谱仪:布德克核物理研究所 (BINP) 的 AMS 设备和 Ionplus AG 的迷你碳定年系统 (MICADAS-28),以及两套石墨化系统:Ionplus AG 的自动石墨化设备 (AGE-3) 和博雷斯科夫催化研究所 (BIC) 开发的吸收催化装置 (ACS)。ACS 设计用于从标记的生物医学样本、溶解有机物和溶解或气态二氧化碳中制备石墨,但已被证明适用于对年龄不超过 35,000 年的物体进行传统年代测定。在此,我们展示了格拉斯哥国际放射性碳相互比较(GIRI)样品的两组 AMS 数据,这些样品使用 AGE-3 和 ACS 制备,然后在 MICADAS-28 上进行测量。AGE-3 和 ACS 的背景 F14C 平均值分别为 0.0024 ± 0.0009 和 0.012 ± 0.003,这两种方法对 OXI 都给出了可重复的结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
14C GIRI SAMPLES IN AMS GOLDEN VALLEY: GRAPHITE PREPARATION USING AGE-3 AND ABSORPTION-CATALYTIC SETUP

The AMS Golden Valley laboratory is equipped with two accelerator mass spectrometers: the AMS facility from the Budker Institute of Nuclear Physics (BINP) and the Mini Carbon Dating System (MICADAS-28) from Ionplus AG and two graphitization systems: the Automated Graphitization Equipment (AGE-3) from Ionplus AG and the Absorption-catalytic setup (ACS) developed at the Boreskov Institute of Catalysis (BIC). The ACS was designed for graphite preparation from labeled biomedical samples, dissolved organics, and dissolved or gaseous carbon dioxide but has proven to be suitable for the traditional dating of objects no older than 35,000 years. Here we present two series of AMS data for the samples from Glasgow International Radiocarbon Inter-comparison (GIRI), prepared using AGE-3 and ACS, and then measured on MICADAS-28. The mean value of the background F14C was 0.0024 ± 0.0009 and 0.012 ± 0.003 for AGE-3 and ACS, respectively, and both methods gave reproducible results for the OXI.

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来源期刊
Radiocarbon
Radiocarbon 地学-地球化学与地球物理
CiteScore
16.20
自引率
6.00%
发文量
85
审稿时长
6-12 weeks
期刊介绍: Radiocarbon serves as the leading international journal for technical and interpretive articles, date lists, and advancements in 14C and other radioisotopes relevant to archaeological, geophysical, oceanographic, and related dating methods. Established in 1959, it has published numerous seminal works and hosts the triennial International Radiocarbon Conference proceedings. The journal also features occasional special issues. Submissions encompass regular articles such as research reports, technical descriptions, and date lists, along with comments, letters to the editor, book reviews, and laboratory lists.
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