Articles | Volume 13, issue 11
https://doi.org/10.5194/amt-13-6255-2020
https://doi.org/10.5194/amt-13-6255-2020
Research article
 | 
20 Nov 2020
Research article |  | 20 Nov 2020

A thermal-dissociation–cavity ring-down spectrometer (TD-CRDS) for the detection of organic nitrates in gas and particle phases

Natalie I. Keehan, Bellamy Brownwood, Andrey Marsavin, Douglas A. Day, and Juliane L. Fry

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AR by Juliane Fry on behalf of the Authors (24 Sep 2020)  Author's response    Manuscript
ED: Publish subject to technical corrections (01 Oct 2020) by Mingjin Tang
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Short summary
This paper describes a new instrument (a thermal-dissociation–cavity ring-down spectrometer, TD-CRDS) for the measurement of key atmospheric gaseous and particle-phase molecules containing the nitrate functional group. Several operational considerations affecting the measurements are described, as well as several characterization experiments comparing the TD-CRDS measurements to analogous measurements from other instruments. Examples are given using a TD-CRDS for ambient and laboratory studies.