Articles | Volume 8, issue 2
Atmos. Meas. Tech., 8, 811–822, 2015
https://doi.org/10.5194/amt-8-811-2015
Atmos. Meas. Tech., 8, 811–822, 2015
https://doi.org/10.5194/amt-8-811-2015

Research article 18 Feb 2015

Research article | 18 Feb 2015

Continuous-flow IRMS technique for determining the 17O excess of CO2 using complete oxygen isotope exchange with cerium oxide

D. J. Mrozek et al.

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Short summary
Our analytical system is a promising tool for investigating the triple oxygen isotope composition of CO2 from stratospheric air samples of volumes 100ml and smaller. The method is designed for measuring air samples with CO2 mole fractions between 360 and 400ppm, and it is the first fully automated analytical system that uses CeO2 as the isotope exchange medium.