Application of chemical derivatization techniques combined with chemical ionization mass spectrometry to detect stabilized Criegee intermediates and peroxy radicals in the gas phase

Zaytsev, Alexander; Breitenlechner, Martin; Novelli, Anna; Fuchs, Hendrik; Knopf, Daniel A.; Kroll, Jesse H.; Keutsch, Frank N.

doi:https://doi.org/10.5194/amt-14-2501-2021

Articles | Volume 14, issue 3

https://doi.org/10.5194/amt-14-2501-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/amt-14-2501-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 14, issue 3

Research article

|

31 Mar 2021

Research article |

| 31 Mar 2021

Application of chemical derivatization techniques combined with chemical ionization mass spectrometry to detect stabilized Criegee intermediates and peroxy radicals in the gas phase

Alexander Zaytsev, Martin Breitenlechner, Anna Novelli, Hendrik Fuchs, Daniel A. Knopf, Jesse H. Kroll, and Frank N. Keutsch

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Final revised paper (published on 31 Mar 2021)
Supplement to the final revised paper
Preprint (discussion started on 30 Sep 2020)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'manuscript review', Anonymous Referee #1, 09 Nov 2020
- AC1: 'Reply on RC1', Alexander Zaytsev, 09 Jan 2021
RC2: 'Interactive comment on “Application of chemical derivatization techniques combined with chemical ionization mass spectrometry to detect stabilized Criegee intermediates and peroxy radicals in the gas phase” by Alexander Zaytsev et al.', Anonymous Referee #3, 23 Dec 2020
- AC2: 'Reply on RC2', Alexander Zaytsev, 09 Jan 2021

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Alexander Zaytsev on behalf of the Authors (10 Jan 2021) Author's response Manuscript

ED: Publish subject to technical corrections (19 Jan 2021) by Keding Lu

AR by Alexander Zaytsev on behalf of the Authors (31 Jan 2021) Author's response Manuscript

Short summary

We have developed an online method for speciated measurements of organic peroxy radicals and stabilized Criegee intermediates using chemical derivatization combined with chemical ionization mass spectrometry. Chemical derivatization prevents secondary radical reactions and eliminates potential interferences. Comparison between our measurements and results from numeric modeling shows that the method can be used for the quantification of a wide range of atmospheric radicals and intermediates.