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RADIOCARBON PROTOCOLS AND FIRST INTERCOMPARISON RESULTS FROM THE CHRONOS 14CARBON-CYCLE FACILITY, UNIVERSITY OF NEW SOUTH WALES, SYDNEY, AUSTRALIA
Radiocarbon ( IF 2.0 ) Pub Date : 2021-05-11 , DOI: 10.1017/rdc.2021.23
Chris Turney , Lorena Becerra-Valdivia , Adam Sookdeo , Zoë A Thomas , Jonathan Palmer , Heather A Haines , Haidee Cadd , Lukas Wacker , Andy Baker , Martin S Andersen , Geraldine Jacobsen , Karina Meredith , Khorshed Chinu , Silvia Bollhalder , Christopher Marjo

The Chronos 14Carbon-Cycle Facility is a new radiocarbon laboratory at the University of New South Wales, Australia. Built around an Ionplus 200 kV MIni-CArbon DAting System (MICADAS) Accelerator Mass Spectrometer (AMS) installed in October 2019, the facility was established to address major challenges in the Earth, Environmental and Archaeological sciences. Here we report an overview of the Chronos facility, the pretreatment methods currently employed (bones, carbonates, peat, pollen, charcoal, and wood) and results of radiocarbon and stable isotope measurements undertaken on a wide range of sample types. Measurements on international standards, known-age and blank samples demonstrate the facility is capable of measuring 14C samples from the Anthropocene back to nearly 50,000 years ago. Future work will focus on improving our understanding of the Earth system and managing resources in a future warmer world.

中文翻译:

来自澳大利亚悉尼新南威尔士大学 Chronos 14 碳循环设施的放射性碳协议和首次比对结果

克罗诺斯14碳循环设施是澳大利亚新南威尔士大学的一个新的放射性碳实验室。该设施围绕 2019 年 10 月安装的 Ionplus 200 kV MIni-Carbon 约会系统 (MICADAS) 加速器质谱仪 (AMS) 建造,旨在应对地球、环境和考古科学领域的重大挑战。在这里,我们报告了 Chronos 设施的概述、目前采用的预处理方法(骨头、碳酸盐、泥炭、花粉、木炭和木材)以及对各种样品类型进行的放射性碳和稳定同位素测量的结果。对国际标准、已知年龄和空白样品的测量表明该设施能够测量14来自人类世的 C 样本可追溯到近 5 万年前。未来的工作将集中在提高我们对地球系统的理解和在未来更温暖的世界中管理资源。
更新日期:2021-05-11
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