CURRENT SAMPLE PREPARATION AND ANALYTICAL CAPABILITIES OF THE RADIOCARBON LABORATORY AT COLOGNEAMS

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Title:Main Title: CURRENT SAMPLE PREPARATION AND ANALYTICAL CAPABILITIES OF THE RADIOCARBON LABORATORY AT COLOGNEAMS
Description:Abstract: This work summarizes the methodical capabilities, improvements, and new developments in the radiocarbon laboratory of the accelerator mass spectrometry (AMS) facility at the University of Cologne, Germany, which was established in 2010. During the past years, the laboratory has specialized in the analysis of small and gaseous samples. We thus, recently installed a second ion source dedicated for radiocarbon (14C) analysis of CO2 samples at our 6 MV Tandetron AMS from High Voltage Engineering Europe B.V. that is coupled with the gas injection system from Ionplus and an EuroVector EA 3000 elemental analyzer. This work summarizes all pretreatment methods and analytical facilities established in our laboratory during the last years including 14C analysis of individual organic compounds and of CO2 trapped on molecular sieves. We also report different blank values including our long-term blank since 2011, which is for normal-sized, solid samples (650–1000 μg C) 0.0012 ± 0.0004 F14C (54,305 ± 2581 yr BP, n = 484). The precision obtained for modern samples measured as graphite is 0.5% and for gaseous samples injected with the GIS ≤2%.
Responsible Party
Creators:Janet Rethemeyer (Author), Merle Gierga (Author), Stefan Heinze (Author), Alexander Stolz (Author), Anja Wotte (Author), Philipp Wischhöfer (Author), Sonja Berg (Author), Jan Melchert (Author), Alfred Dewald (Author)
Publisher:Cambridge University Press
Publication Year:2019
Topic
CRC1211 Topic:Dating
Related Subproject:D4
Subject:Keyword: Accelerator Mass Spectroscopy
File Details
Filename:Rethemeyer2019.pdf
Data Type:Data Paper - Article
File Size:426 KB
Date:Available: 26.04.2019
Mime Type:application/pdf
Data Format:PDF
Language:English
Status:Completed
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Download Permission:Only Project Members
General Access and Use Conditions:According to the CRC1211DB data policy agreement.
Access Limitations:According to the CRC1211DB data policy agreement.
Licence:None
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Publication Status:Accepted
Review Status:Peer reviewed
Publication Type:Article
Article Type:Journal
Source:Radiocarbon
Number of Pages:12 (1 - 12)
Metadata Details
Metadata Creator:Andrea Jaeschke
Metadata Created:10.10.2019
Metadata Last Updated:10.10.2019
Subproject:D4
Funding Phase:1
Metadata Language:English
Metadata Version:V50
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