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Updated: Aug 29, 2026

Sampling and Pretreatment of Tooth Enamel Carbonate for Stable Carbon and Oxygen Isotope Analysis
Published on: August 15, 2018
Determining the content and 13C abundance of total dissolved carbon in water samples by TOC analyser-mass
1UFZ Centre for Environmental Research Leipzig-Halle, Department of Soil Sciences, Theodor-Lieser-Strasse 4, 06120 Halle, Germany. russow@bdfl.ufz.de
Abstract:
A combined system consisting of a TOC analyser connected to a quadrupole MS was recently described as a way of measuring the N content and the 15N abundance of total dissolved nitrogen in aqueous samples. This work examines whether this combination of instruments can also be used for the 13C determination of the total dissolved carbon in aqueous samples. A level of precision good for 13C-enriched samples was achieved with a relative standard deviation of <3%. By using an isotope ratio MS instead of the quadrupole MS employed here, TOC-MS coupling also ought to be suitable for determining natural 13C abundances.
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