Measurement report: Sulfuric acid nucleation and experimental conditions in a photolytic flow reactor

Hanson, David R.; Menheer, Seakh; Wentzel, Michael; Kunz, Joan

doi:https://doi.org/10.5194/acp-21-1987-2021

Articles | Volume 21, issue 3

https://doi.org/10.5194/acp-21-1987-2021

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

https://doi.org/10.5194/acp-21-1987-2021

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

Articles | Volume 21, issue 3

Measurement report

|

10 Feb 2021

Measurement report |

| 10 Feb 2021

Measurement report: Sulfuric acid nucleation and experimental conditions in a photolytic flow reactor

David R. Hanson, Seakh Menheer, Michael Wentzel, and Joan Kunz

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Final revised paper (published on 10 Feb 2021)
Supplement to the final revised paper
Preprint (discussion started on 21 Aug 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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RC1: 'referee comment on Hanson et al. (2020)', Anonymous Referee #1, 21 Sep 2020
- SC1: 'Model verification', David R. Hanson, 07 Oct 2020
- AC3: 'Author's response', David R. Hanson, 19 Nov 2020
AC1: 'HONO mixing ratio', David R. Hanson, 27 Oct 2020
RC2: 'Review of Hanson et al. Measurement Report: Sulfuric Acid Nucleation and Experimental Conditions in a Photolytic Flow Reactor', Anonymous Referee #2, 27 Oct 2020
- AC2: 'Author's response', David R. Hanson, 19 Nov 2020

Peer-review completion

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

AR by David R. Hanson on behalf of the Authors (10 Dec 2020) Author's response Manuscript

ED: Publish subject to technical corrections (31 Dec 2020) by Joachim Curtius

AR by David R. Hanson on behalf of the Authors (31 Dec 2020) Manuscript

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Short summary

We report experimental measurements of particle formation in a flow reactor that extend the results from this experiment to a total of more than 270 runs over a time period of ~3 years. This has allowed us to detect a general increase in the cleanliness of the system and improve our knowledge of its chemistry. In-house simulations allowed us to construct phenomenological free energies of molecular clusters of sulfuric acid and ammonia that are appropriate for application to the atmosphere.