Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 10, issue 1
Articles | Volume 10, issue 1
https://doi.org/10.5194/amt-10-281-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/amt-10-281-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 10, issue 1
Research article
 | 
26 Jan 2017
Research article |  | 26 Jan 2017

Using in situ GC-MS for analysis of C2–C7 volatile organic acids in ambient air of a boreal forest site

Heidi Hellén, Simon Schallhart, Arnaud P. Praplan, Tuukka Petäjä, and Hannele Hakola

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Latest update: 30 Oct 2025
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Short summary
There is a lack of knowledge of volatile organic acids (VOAs), other than formic and acetic acids in gas phase, and this is at least partly due to the lack of sensitive enough measurement methods. In the present study we developed an in situ GC–MS measurement method for measuring C2–C7 monocarboxylic VOAs at ambient air concentration levels, which we used to measure ambient air concentrations in a boreal forest site. In addition, found mixing ratios were compared with PTR-TOFMS data.
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