Chemical ionization quadrupole mass spectrometer with an electrical discharge ion source for atmospheric trace gas measurement

Eger, Philipp G.; Helleis, Frank; Schuster, Gerhard; Phillips, Gavin J.; Lelieveld, Jos; Crowley, John N.

doi:https://doi.org/10.5194/amt-12-1935-2019

Articles | Volume 12, issue 3

https://doi.org/10.5194/amt-12-1935-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/amt-12-1935-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 12, issue 3

Research article

|

26 Mar 2019

Research article |

| 26 Mar 2019

Chemical ionization quadrupole mass spectrometer with an electrical discharge ion source for atmospheric trace gas measurement

Philipp G. Eger, Frank Helleis, Gerhard Schuster, Gavin J. Phillips, Jos Lelieveld, and John N. Crowley

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Final revised paper (published on 26 Mar 2019)
Supplement to the final revised paper
Preprint (discussion started on 19 Dec 2018)
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: 'Review of AMT-2018-428', Anonymous Referee #2, 24 Jan 2019
- AC2: 'Response to RC1 (Referee #2)', Philipp Eger, 19 Feb 2019
RC2: 'Review', Anonymous Referee #1, 11 Feb 2019
- AC1: 'Response to RC2 (Referee #1)', Philipp Eger, 19 Feb 2019

Peer-review completion

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

AR by Philipp Eger on behalf of the Authors (20 Feb 2019) Author's response Manuscript

ED: Publish as is (12 Mar 2019) by Bin Yuan

AR by Philipp Eger on behalf of the Authors (12 Mar 2019)

Short summary

We present a chemical ionization quadrupole mass spectrometer (CI-QMS) with a novel discharge ion source. In addition to the expected detection of PAN, peracetic acid and ClNO₂, the instrument is also sensitive to SO₂, HCl and acetic acid through ion chemistry unique for our ion source. We present ionization schemes along with illustrative datasets from field campaigns underlining the potential of the CI-QMS as an alternative to polonium, especially for application in the marine boundary layer.