Articles | Volume 10, issue 1
Atmos. Meas. Tech., 10, 291–313, 2017
https://doi.org/10.5194/amt-10-291-2017
Atmos. Meas. Tech., 10, 291–313, 2017
https://doi.org/10.5194/amt-10-291-2017

Research article 26 Jan 2017

Research article | 26 Jan 2017

An improved, automated whole air sampler and gas chromatography mass spectrometry analysis system for volatile organic compounds in the atmosphere

Brian M. Lerner et al.

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Latest update: 26 Feb 2021
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Short summary
Whole air sampling followed by analysis by gas chromatography is a common technique for characterization of trace volatile organic compounds in the atmosphere. We describe a new automated gas chromatograph–mass spectrograph which uses a Stirling cooler for sample preconcentration at −165 °C without the need for a cryogen such as liquid nitrogen. We also discuss potential sources of artifacts from our electropolished stainless steel sampling system and present results from two field campaigns.