Articles | Volume 9, issue 11
https://doi.org/10.5194/amt-9-5265-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/amt-9-5265-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
31 Oct 2016
Research article |
| 31 Oct 2016
A versatile, refrigerant- and cryogen-free cryofocusing–thermodesorption unit for preconcentration of traces gases in air
Florian Obersteiner
CORRESPONDING AUTHOR
Institute for Atmospheric and Environmental Science, Goethe
University Frankfurt, Frankfurt, Germany
Harald Bönisch
Institute of Meteorology and Climate Research, KIT, Karlsruhe,
Germany
Timo Keber
Institute for Atmospheric and Environmental Science, Goethe
University Frankfurt, Frankfurt, Germany
Simon O'Doherty
School of Chemistry, University of Bristol, Bristol, UK
Andreas Engel
Institute for Atmospheric and Environmental Science, Goethe
University Frankfurt, Frankfurt, Germany
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Cited
11 citations as recorded by crossref.
- An aircraft gas chromatograph–mass spectrometer System for Organic Fast Identification Analysis (SOFIA): design, performance and a case study of Asian monsoon pollution outflow E. Bourtsoukidis et al. 10.5194/amt-10-5089-2017
- Review of Gas-Chromatographic Measurement Methodologies for Atmospheric Halogenated Greenhouse Gases N. Han & J. Lim 10.1080/10408347.2024.2302576
- Development of a Refrigerant-Free Cryotrap Unit for Pre-Concentration of Biogenic Volatile Organic Compounds in Air X. Ding et al. 10.3390/atmos15050587
- Development of a portable gas chromatograph–mass spectrometer embedded with a low-temperature adsorption thermal desorption module for enhanced detection of volatile organic compounds Y. Chen et al. 10.1039/D4AN01484G
- Add-On Device Powered by Parallelized Adsorption Traps for Preconcentrator-GC–MS Measurement of sub-pmol/mol Levels of NF3 J. Lim et al. 10.1021/acsomega.4c04563
- An indirect-calibration method for non-target quantification of trace gases applied to a time series of fourth-generation synthetic halocarbons at the Taunus Observatory (Germany) F. Lefrancois et al. 10.5194/amt-14-4669-2021
- Stability of halocarbons in air samples stored in stainless- steel canisters T. Schuck et al. 10.5194/amt-13-73-2020
- Bromine from short-lived source gases in the extratropical northern hemispheric upper troposphere and lower stratosphere (UTLS) T. Keber et al. 10.5194/acp-20-4105-2020
- Organic and inorganic bromine measurements around the extratropical tropopause and lowermost stratosphere: insights into the transport pathways and total bromine M. Rotermund et al. 10.5194/acp-21-15375-2021
- Cryogenic trapping as a versatile approach for sample handling, enrichment and multidimensional analysis in gas chromatography F. Novaes & P. Marriott 10.1016/j.chroma.2021.462135
- Comparison of inorganic chlorine in the Antarctic and Arctic lowermost stratosphere by separate late winter aircraft measurements M. Jesswein et al. 10.5194/acp-21-17225-2021
11 citations as recorded by crossref.
- An aircraft gas chromatograph–mass spectrometer System for Organic Fast Identification Analysis (SOFIA): design, performance and a case study of Asian monsoon pollution outflow E. Bourtsoukidis et al. 10.5194/amt-10-5089-2017
- Review of Gas-Chromatographic Measurement Methodologies for Atmospheric Halogenated Greenhouse Gases N. Han & J. Lim 10.1080/10408347.2024.2302576
- Development of a Refrigerant-Free Cryotrap Unit for Pre-Concentration of Biogenic Volatile Organic Compounds in Air X. Ding et al. 10.3390/atmos15050587
- Development of a portable gas chromatograph–mass spectrometer embedded with a low-temperature adsorption thermal desorption module for enhanced detection of volatile organic compounds Y. Chen et al. 10.1039/D4AN01484G
- Add-On Device Powered by Parallelized Adsorption Traps for Preconcentrator-GC–MS Measurement of sub-pmol/mol Levels of NF3 J. Lim et al. 10.1021/acsomega.4c04563
- An indirect-calibration method for non-target quantification of trace gases applied to a time series of fourth-generation synthetic halocarbons at the Taunus Observatory (Germany) F. Lefrancois et al. 10.5194/amt-14-4669-2021
- Stability of halocarbons in air samples stored in stainless- steel canisters T. Schuck et al. 10.5194/amt-13-73-2020
- Bromine from short-lived source gases in the extratropical northern hemispheric upper troposphere and lower stratosphere (UTLS) T. Keber et al. 10.5194/acp-20-4105-2020
- Organic and inorganic bromine measurements around the extratropical tropopause and lowermost stratosphere: insights into the transport pathways and total bromine M. Rotermund et al. 10.5194/acp-21-15375-2021
- Cryogenic trapping as a versatile approach for sample handling, enrichment and multidimensional analysis in gas chromatography F. Novaes & P. Marriott 10.1016/j.chroma.2021.462135
- Comparison of inorganic chlorine in the Antarctic and Arctic lowermost stratosphere by separate late winter aircraft measurements M. Jesswein et al. 10.5194/acp-21-17225-2021
Discussed (preprint)
Latest update: 24 Oct 2025
Short summary
The analysis of trace gases in ambient air requires a preconcentration technique, in many cases to make the species of interest detectable and quantifiable. In this paper, such a preconcentration set-up is presented. Target species are trapped on adsorptive material cooled by a Stirling cooler which allows for a very low adsorption temperature but only requires electrical power. A simple and lightweight mechanical design guarantees very good suitability for remote-site field operation.
The analysis of trace gases in ambient air requires a preconcentration technique, in many cases...
