Articles | Volume 22, issue 22
https://doi.org/10.5194/acp-22-14971-2022
https://doi.org/10.5194/acp-22-14971-2022
Research article
 | 
24 Nov 2022
Research article |  | 24 Nov 2022

Chromophores and chemical composition of brown carbon characterized at an urban kerbside by excitation–emission spectroscopy and mass spectrometry

Feng Jiang, Junwei Song, Jonas Bauer, Linyu Gao, Magdalena Vallon, Reiner Gebhardt, Thomas Leisner, Stefan Norra, and Harald Saathoff

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on acp-2022-465', Anonymous Referee #1, 16 Jul 2022
  • RC2: 'Comment on acp-2022-465', Anonymous Referee #2, 28 Jul 2022
  • RC3: 'Comment on acp-2022-465', Anonymous Referee #3, 29 Jul 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
AR by Feng Jiang on behalf of the Authors (28 Sep 2022)  Author's response   Author's tracked changes   Manuscript 
ED: Referee Nomination & Report Request started (28 Sep 2022) by Theodora Nah
RR by Anonymous Referee #3 (30 Sep 2022)
RR by Anonymous Referee #2 (11 Oct 2022)
ED: Publish as is (19 Oct 2022) by Theodora Nah
AR by Feng Jiang on behalf of the Authors (25 Oct 2022)  Author's response   Manuscript 
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Short summary
We studied brown carbon aerosol during typical summer and winter periods in downtown Karlsruhe in southwestern Germany. The chromophore and chemical composition of brown carbon was determined by excitation–emission spectroscopy and mass spectrometry. The chromophore types and sources were substantially different in winter and summer. Humic-like chromophores of different degrees of oxidation dominated and were associated with molecules of different molecular weight and nitrogen content.
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