Articles | Volume 13, issue 7
https://doi.org/10.5194/amt-13-3507-2020
https://doi.org/10.5194/amt-13-3507-2020
Research article
 | 
02 Jul 2020
Research article |  | 02 Jul 2020

SIFT-MS optimization for atmospheric trace gas measurements at varying humidity

Ann-Sophie Lehnert, Thomas Behrendt, Alexander Ruecker, Georg Pohnert, and Susan E. Trumbore

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Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Ann-Sophie Lehnert on behalf of the Authors (29 May 2020)  Author's response   Manuscript 
ED: Publish as is (07 Jun 2020) by Joachim Curtius
AR by Ann-Sophie Lehnert on behalf of the Authors (10 Jun 2020)
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Short summary
Volatile organic compounds (VOCs) like scents can appear and disappear quickly. For example, when a bug starts on a tree, the tree releases VOCs that warn the trees around him. Thus, one needs instruments measuring their concentration in real time and identify which VOC is measured. In our study, we compared two instruments doing that, PTR-MS and SIFT-MS. Both work similarly, but we found that the PTR-MS can measure lower concentrations, but the SIFT-MS can identify VOCs better.