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Quantitative Extraction of Dissolved Inorganic Carbon (as CO2) and Water by Vacuum Distillation from Sediments of the Unsaturated Zone for Carbon Isotope Analysis (13C and 14C)

Published online by Cambridge University Press:  18 July 2016

I Carmi ,
J Kronfeld ,
Y Yechieli ,
D Yakir ,
M Stiller  and
E Boaretto
I Carmi*
Affiliation:
Department of Geophysics and Planetary Science, Tel-Aviv University, 61390 Tel-Aviv, Israel Geological Survey of Israel, 95001 Jerusalem, Israel
J Kronfeld
Affiliation:
Department of Geophysics and Planetary Science, Tel-Aviv University, 61390 Tel-Aviv, Israel
Y Yechieli
Affiliation:
Geological Survey of Israel, 95001 Jerusalem, Israel
D Yakir
Affiliation:
Department of Environmental Science and Energy Research, Weizmann Institute of Science, 76100 Rehovot, Israel
M Stiller
Affiliation:
Geological Survey of Israel, 95001 Jerusalem, Israel
E Boaretto
Affiliation:
Radiocarbon Dating and Cosmogenic Isotopes Laboratory, Kimmel Center for Archaeological Science Weizmann Institute of Science, 76100 Rehovot, Israel
*
Corresponding author. Email: carmiisr@post.tau.ac.il.
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Abstract

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Vacuum distillation is shown to be useful for the quantitative extraction of dissolved inorganic carbon (as CO2) and water from sediments of the unsaturated zone in the Coastal Aquifer of Israel. Several tests of vacuum extractions from tap water and sediments are presented, including standard addition, which show that the distillation procedure is quantitative, with minimal or no carbon isotope fractionation. The optimal temperature of the sediment during the extraction was also defined. Examples of vacuum extractions of sediments are shown.

Type
Articles
Information
Radiocarbon , Volume 49 , Issue 1 , 2007 , pp. 83 - 94
Copyright
Copyright © 2007 by the Arizona Board of Regents on behalf of the University of Arizona 

References

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