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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
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Volume 11, issue 4
Atmos. Meas. Tech., 11, 1851–1881, 2018
https://doi.org/10.5194/amt-11-1851-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Meas. Tech., 11, 1851–1881, 2018
https://doi.org/10.5194/amt-11-1851-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

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 et al.
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Cited articles  
Adams, N. G., Bohme, D. K., Dunkin, D. B., Fehsenfeld, F. C., and Ferguson, E. E.: Flowing afterglow studies of formation and reactions of cluster ions of O2+, O2, and O, J. Chem. Phys., 52, 3133–3140, https://doi.org/10.1063/1.1673449, 1970.
Albritton, D. L.: Ion-neutral reaction-rate constants measured in flow reactors through 1977, Atom. Data Nucl. Data, 22, 1–101, 1978.
Arshadi, M. and Kebarle, P.: Hydration of OH and O in the gas phase. comparative solvation of OH by water and the hydrogen halides: effects of acidity, J. Phys. Chem., 74, 1483–1485, 1970.
Baasandorj, M., Millet, D. B., Hu, L., Mitroo, D., and Williams, B. J.: Measuring acetic and formic acid by proton-transfer-reaction mass spectrometry: sensitivity, humidity dependence, and quantifying interferences, Atmos. Meas. Tech., 8, 1303–1321, https://doi.org/10.5194/amt-8-1303-2015, 2015.
Barth, M. C., Cantrell, C. A., Brune, W. H., 45 others: The Deep Convective Clouds and Chemistry (DC3) field campaign, B. Am. Meteorol. Soc., 96, 1281–1309, 2015.
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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.
A CIMS utilizing a multi-species negative ion chemistry was designed to measure peroxides and...
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