Articles | Volume 10, issue 4
https://doi.org/10.5194/amt-10-1623-2017
https://doi.org/10.5194/amt-10-1623-2017
Research article
 | 
27 Apr 2017
Research article |  | 27 Apr 2017

The ion trap aerosol mass spectrometer: field intercomparison with the ToF-AMS and the capability of differentiating organic compound classes via MS-MS

Johannes R. W. Fachinger, Stéphane J. Gallavardin, Frank Helleis, Friederike Fachinger, Frank Drewnick, and Stephan Borrmann

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Friederike Fachinger on behalf of the Authors (08 Mar 2017)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (09 Mar 2017) by Pierre Herckes
RR by Anonymous Referee #2 (03 Apr 2017)
ED: Publish subject to minor revisions (Editor review) (03 Apr 2017) by Pierre Herckes
AR by Friederike Fachinger on behalf of the Authors (04 Apr 2017)  Author's response   Manuscript 
ED: Publish as is (05 Apr 2017) by Pierre Herckes
AR by Friederike Fachinger on behalf of the Authors (05 Apr 2017)
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Short summary
The design of an ion trap aerosol mass spectrometer was improved, allowing for the instrument's first field deployment. Detection limits were found to be sufficiently low for ambient measurements. Via MS-MS measurements the instrument is capable of differentiating ion fragments of different elemental compositions, but also fragments which only differ in their molecular structures. This could allow for e.g. the differentiation between sugars and carboxylic acids by MS–MS studies on m/z 60 and 73.