A portable, robust, stable, and tunable calibration source for gas-phase nitrous acid (HONO)

Lao, Melodie; Crilley, Leigh R.; Salehpoor, Leyla; Furlani, Teles C.; Bourgeois, Ilann; Neuman, J. Andrew; Rollins, Andrew W.; Veres, Patrick R.; Washenfelder, Rebecca A.; Womack, Caroline C.; Young, Cora J.; VandenBoer, Trevor C.

doi:https://doi.org/10.5194/amt-13-5873-2020

Articles | Volume 13, issue 11

Atmos. Meas. Tech., 13, 5873–5890, 2020

https://doi.org/10.5194/amt-13-5873-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Atmos. Meas. Tech., 13, 5873–5890, 2020

https://doi.org/10.5194/amt-13-5873-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 13, issue 11

Research article 06 Nov 2020

Research article | 06 Nov 2020

A portable, robust, stable, and tunable calibration source for gas-phase nitrous acid (HONO)

Melodie Lao et al.

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Final revised paper (published on 06 Nov 2020)
Supplement to the final revised paper
Preprint (discussion started on 16 Jun 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: 'Comments to the manuscript by Lao et al.', Anonymous Referee #1, 08 Jul 2020
- AC1: 'Response to Reviewer Comments', Trevor VandenBoer, 16 Aug 2020
RC2: 'Review of Lao et al.', Anonymous Referee #2, 17 Jul 2020
- AC1: 'Response to Reviewer Comments', Trevor VandenBoer, 16 Aug 2020
RC3: 'Interactive comment on “A portable, robust, stableand tunable calibration source for gas-phasenitrous acid (HONO)” by Lao et al.', Anonymous Referee #3, 29 Jul 2020
- AC1: 'Response to Reviewer Comments', Trevor VandenBoer, 16 Aug 2020

Peer-review completion

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

AR by Trevor VandenBoer on behalf of the Authors (16 Aug 2020) Author's response Manuscript

ED: Publish as is (11 Sep 2020) by Dwayne Heard

Short summary

Nitrous acid (HONO) is a key intermediate in the generation of oxidants and fate of nitrogen oxides in the atmosphere. High-purity calibration sources that produce stable atmospherically relevant levels under field conditions have not been made to date, reducing measurement accuracy. In this study a simple salt-coated tube humidified with water vapor is demonstrated to produce pure stable low levels of HONO, with modifications allowing the generation of higher amounts.