Articles | Volume 18, issue 15
https://doi.org/10.5194/amt-18-3691-2025
https://doi.org/10.5194/amt-18-3691-2025
Research article
 | 
08 Aug 2025
Research article |  | 08 Aug 2025

Determination of pressure baseline corrections for clumped-isotope signals with complex peak shapes

Stephan Räss, Peter Nyfeler, Paul Wheeler, Will Price, and Markus Christian Leuenberger

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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 egusphere-2024-3572', Stefano Bernasconi, 10 Feb 2025
    • AC2: 'Reply on RC1', Stephan Raess, 16 Apr 2025
  • RC2: 'Comment on egusphere-2024-3572', Amzad Laskar, 14 Feb 2025
    • AC1: 'Reply on RC2', Stephan Raess, 16 Apr 2025
  • RC3: 'Comment on egusphere-2024-3572', Anonymous Referee #3, 18 Mar 2025
    • AC3: 'Reply on RC3', Stephan Raess, 16 Apr 2025
  • EC1: 'Comment on egusphere-2024-3572', Thomas Röckmann, 03 May 2025

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
AR by Stephan Raess on behalf of the Authors (18 Apr 2025)  Author's response   Author's tracked changes   Manuscript 
ED: Publish subject to technical corrections (03 May 2025) by Thomas Röckmann
AR by Stephan Raess on behalf of the Authors (10 May 2025)  Manuscript 
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Short summary
Clumped-isotope signals obtained through gas source mass spectrometry are typically small and require pressure baseline corrections. While such corrections have been developed for square-shaped peaks, we present an approach for correcting peaks with complex shapes. Our method is demonstrated using oxygen clumped isotopes measured in pure oxygen, where the peak tops are linearly increasing and/or negatively curved.
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