Improved chloride quantification in quadrupole aerosol chemical speciation monitors (Q-ACSMs)

Tobler, Anna K.; Skiba, Alicja; Wang, Dongyu S.; Croteau, Philip; Styszko, Katarzyna; Nęcki, Jarosław; Baltensperger, Urs; Slowik, Jay G.; Prévôt, André S. H.

doi:https://doi.org/10.5194/amt-13-5293-2020

Articles | Volume 13, issue 10

https://doi.org/10.5194/amt-13-5293-2020

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

https://doi.org/10.5194/amt-13-5293-2020

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

Articles | Volume 13, issue 10

Research article

|

07 Oct 2020

Research article |

| 07 Oct 2020

Improved chloride quantification in quadrupole aerosol chemical speciation monitors (Q-ACSMs)

Anna K. Tobler, Alicja Skiba, Dongyu S. Wang, Philip Croteau, Katarzyna Styszko, Jarosław Nęcki, Urs Baltensperger, Jay G. Slowik, and André S. H. Prévôt

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Final revised paper (published on 07 Oct 2020)
Supplement to the final revised paper
Preprint (discussion started on 07 May 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: 'Review', Anonymous Referee #2, 03 Jun 2020
- AC1: 'Reply to referee', Anna Tobler, 31 Jul 2020
RC2: 'Review of Tobler et al.', Anonymous Referee #1, 03 Jun 2020
- AC1: 'Reply to referee', Anna Tobler, 31 Jul 2020
RC3: 'Review: Tobler et al Improved chloride quantification', Anonymous Referee #3, 05 Jun 2020
- AC1: 'Reply to referee', Anna Tobler, 31 Jul 2020

Peer-review completion

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

AR by Anna Tobler on behalf of the Authors (04 Aug 2020) Author's response Manuscript

ED: Publish as is (08 Aug 2020) by Mingjin Tang

AR by Anna Tobler on behalf of the Authors (12 Aug 2020)

Short summary

Some quadrupole aerosol chemical speciation monitors (Q-ACSMs) have had issues with the quantification of particulate chloride, resulting in apparent negative chloride concentrations. We can show that this is due to the different behavior of Cl⁺ and HCl⁺, and we present a correction for the more accurate quantification of chloride. The correction can be applied to measurements in environments where the particulate chloride is dominated by NH₄Cl.