Articles | Volume 10, issue 6
https://doi.org/10.5194/amt-10-2283-2017
https://doi.org/10.5194/amt-10-2283-2017
Research article
 | 
22 Jun 2017
Research article |  | 22 Jun 2017

Controlled nitric oxide production via O(1D)  + N2O reactions for use in oxidation flow reactor studies

Andrew Lambe, Paola Massoli, Xuan Zhang, Manjula Canagaratna, John Nowak, Conner Daube, Chao Yan, Wei Nie, Timothy Onasch, John Jayne, Charles Kolb, Paul Davidovits, Douglas Worsnop, and William Brune

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Latest update: 14 Dec 2024
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Short summary
This work enables the study of NOx-influenced secondary organic aerosol formation chemistry in oxidation flow reactors to an extent that was not previously possible. The method uses reactions of exited oxygen O(1D) radicals (formed from ozone photolysis at 254 nm or nitrous oxide photolysis at 185 nm) with nitrous oxide (N2O) to produce NO. We demonstrate proof of concept using chemical ionization mass spectrometer measurements to detect gas-phase oxidation products of isoprene and α-pinene.