Articles | Volume 11, issue 4
https://doi.org/10.5194/amt-11-1851-2018
https://doi.org/10.5194/amt-11-1851-2018
Research article
 | 
04 Apr 2018
Research article |  | 04 Apr 2018

An ion-neutral model to investigate chemical ionization mass spectrometry analysis of atmospheric molecules – application to a mixed reagent ion system for hydroperoxides and organic acids

Brian G. Heikes, Victoria Treadaway, Ashley S. McNeill, Indira K. C. Silwal, and Daniel W. O'Sullivan

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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 Brian Heikes on behalf of the Authors (19 Jan 2018)  Author's response    Manuscript
ED: Publish as is (05 Feb 2018) by Fred Stroh
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Short summary
A CIMS utilizing a multi-species negative ion chemistry was designed to measure peroxides and organic acids throughout the troposphere from an aircraft. Prior CIMS used a single reagent ion, and the multi-ion approach has the potential to be a significant step forward, although one with analytical risk. Here, a chemical kinetics numerical model is presented which simulates its past water vapor and pressure dependence, providing a test bed to characterize its use in future environments.