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Preparation of Inorganic and Organic Carbon for 14C Analysis from a Single Marine Sample

Published online by Cambridge University Press:  18 July 2016

Sheila Griffin  and
Ellen R. M. Druffel
Sheila Griffin
Affiliation:
Department of Earth System Science, University of California at Irvine, Irvine, California 92697–3100 USA
Ellen R. M. Druffel
Affiliation:
Department of Earth System Science, University of California at Irvine, Irvine, California 92697–3100 USA
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Abstract

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We have developed a technique using a single apparatus to recover the inorganic and organic carbon from a small (few milligrams) aliquot of dried marine material for radiocarbon analysis. The main advantages of using a single apparatus are: 1) less sample is required, 2) decreased handling reduces contamination, and 3) less time and materials are used. Blank values of ∼5 μg and 19–44 μg are obtained for the inorganic and organic carbon extractions, respectively. δ14C results from sinking particulate organic and inorganic carbon are presented for samples collected in deep-sea sediment traps deployed for 10–30 day periods at 650 and 100 m above bottom (mab) in the northeast Pacific Ocean.

Type
Part 1: Methods
Information
Radiocarbon , Volume 40 , Issue 1: 16th International Radiocarbon Conference 16-20,1997 Groningen , 1997 , pp. 29 - 34
Copyright
Copyright © The American Journal of Science 

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