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Measurement of Small Volume Oceanic 14C Samples by Accelerator Mass Spectrometry

Published online by Cambridge University Press:  18 July 2016

Peter Schlosser ,
Christoph Pfleiderer ,
Bernd Kromer ,
Ingeborg Levin ,
K O Münnich ,
Georges Bonani ,
Martin Suter  and
Willy Wölfli
Peter Schlosser
Affiliation:
Institut für Umweltphysik der Universität Heidelberg, Im Neuenheimer Feld 366, D-69 Heidelberg, FRG
Christoph Pfleiderer
Affiliation:
Institut für Umweltphysik der Universität Heidelberg, Im Neuenheimer Feld 366, D-69 Heidelberg, FRG
Bernd Kromer
Affiliation:
Institut für Umweltphysik der Universität Heidelberg, Im Neuenheimer Feld 366, D-69 Heidelberg, FRG
Ingeborg Levin
Affiliation:
Institut für Umweltphysik der Universität Heidelberg, Im Neuenheimer Feld 366, D-69 Heidelberg, FRG
K O Münnich
Affiliation:
Institut für Umweltphysik der Universität Heidelberg, Im Neuenheimer Feld 366, D-69 Heidelberg, FRG
Georges Bonani
Affiliation:
Institut für Umweltphysik der Universität Heidelberg, Im Neuenheimer Feld 366, D-69 Heidelberg, FRG
Martin Suter
Affiliation:
Institut für Umweltphysik der Universität Heidelberg, Im Neuenheimer Feld 366, D-69 Heidelberg, FRG
Willy Wölfli
Affiliation:
Institut für Umweltphysik der Universität Heidelberg, Im Neuenheimer Feld 366, D-69 Heidelberg, FRG
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Abstract

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A technique for 14C measurement of small volume (0.5L) oceanic water samples by Accelerator Mass Spectrometry (AMS) is described. Samples were taken from a CTD/rosette system used for standard hydrographic work. After CO2 extraction and target preparation, the samples were measured at the Zürich tandem accelerator facility. On the basis of 14C data from samples collected on a station in the northern Weddell Sea, the precision of the measurements is estimated to ca ±8‰. The error in the present AMS results is dominated by the statistical error in 14C detection. From results of duplicate targets, it is concluded that a precision of ±5° can be reached. The 14C data are discussed in relation to the Weddell Sea hydrography.

Type
Research Article
Information
Radiocarbon , Volume 29 , Issue 3 , 1987 , pp. 347 - 352
Copyright
Copyright © The American Journal of Science 

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