Articles | Volume 13, issue 1
Research article
13 Jan 2020
Research article |  | 13 Jan 2020

Investigation of adsorption and desorption behavior of small-volume cylinders and its relevance for atmospheric trace gas analysis

Ece Satar, Peter Nyfeler, Bernhard Bereiter, Céline Pascale, Bernhard Niederhauser, and Markus Leuenberger

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Cited articles

Brewer, P. J., Brown, R. J. C., Resner, K. V., Hill-Pearce, R. E., Worton, D. R., Allen, N. D. C., Blakley, K. C., Benucci, D., and Ellison, M. R.: Influence of Pressure on the Composition of Gaseous Reference Materials, Anal. Chem., 90, 3490–3495,, 2018. a, b, c, d, e, f, g
Keeling, R. F., Manning, A. C., Paplawsky, W. J., and Cox, A. C.: On the long-term stability of reference gases for atmospheric O2∕N2 and CO2 measurements, Tellus B, 59, 3–14,, 2007.  a, b
Langenfelds, R. L., van der Schoot, M. V., Francey, R. J., Steele, L. P., Schmidt, M., and Mukai, H.: Modification of air standard composition by diffusive and surface processes, J. Geophys. Res.-Atmos., 110, D13307,, 2005. a
Langmuir, I.: The adsorption of gases on plane surfaces of glass, mica and platinum, J. Am. Chem. Soc., 40, 1361–1403,, 1918. a, b
Leuenberger, M. C., Schibig, M. F., and Nyfeler, P.: Gas adsorption and desorption effects on cylinders and their importance for long-term gas records, Atmos. Meas. Tech., 8, 5289–5299,, 2015. a, b, c, d
Short summary
Good-quality measurements of atmospheric trace gases are only possible with regular calibrations and stable measurements from the standard cylinders. This study investigates instabilities due to surface effects on newly built aluminum and steel cylinders. We present measurements over a set of temperature and pressure ranges for the amount fractions of CO2, CO, CH4 and H2O using a commercial and a novel laser spectroscopic analyzer.