Articles | Volume 13, issue 11
Atmos. Meas. Tech., 13, 6311–6323, 2020
https://doi.org/10.5194/amt-13-6311-2020

Special issue: Simulation chambers as tools in atmospheric research (AMT/ACP/GMD...

Atmos. Meas. Tech., 13, 6311–6323, 2020
https://doi.org/10.5194/amt-13-6311-2020

Research article 25 Nov 2020

Research article | 25 Nov 2020

Implementation of an incoherent broadband cavity-enhanced absorption spectroscopy technique in an atmospheric simulation chamber for in situ NO3 monitoring: characterization and validation for kinetic studies

Axel Fouqueau et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Lorena Grabowski on behalf of the Authors (20 Jul 2020)  Author's response
ED: Referee Nomination & Report Request started (03 Aug 2020) by Hartmut Herrmann
RR by Anonymous Referee #1 (04 Aug 2020)
ED: Publish subject to technical corrections (08 Oct 2020) by Hartmut Herrmann
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Short summary
An incoherent broadband cavity-enhanced absorption spectroscopy (IBBCEAS) technique has been developed for the in situ monitoring of NO3 radicals in the CSA simulation chamber at LISA. The optical cavity allows a high sensitivity for NO3 detection up to 6 ppt for an integration time of 10 s. The technique is now fully operational and can be used to determine rate constants for fast reactions involving complex volatile organic compounds (with rate constants up to 10−10 cm3 molecule−1 s−1).