Articles | Volume 13, issue 7
Atmos. Meas. Tech., 13, 3507–3520, 2020
https://doi.org/10.5194/amt-13-3507-2020
Atmos. Meas. Tech., 13, 3507–3520, 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 et al.

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Latest update: 28 Nov 2021
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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.