Articles | Volume 12, issue 7
Research article
12 Jul 2019
Research article |  | 12 Jul 2019

Separation and detection of aqueous atmospheric aerosol mimics using supercritical fluid chromatography–mass spectrometry

Daisy N. Grace, Melissa B. Sebold, and Melissa M. Galloway


Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Melissa Galloway on behalf of the Authors (30 May 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (10 Jun 2019) by Yoshiteru Iinuma
RR by Anonymous Referee #1 (25 Jun 2019)
ED: Publish as is (26 Jun 2019) by Yoshiteru Iinuma
Short summary
The identification and quantification of compounds within an atmospheric particle can be difficult to achieve. We present a supercritical fluid chromatography method to separate these compounds prior to mass spectrometry analysis. The aqueous methylglyoxal–ammonium sulfate system was used as a proxy for atmospheric aerosol; polar columns combined with a carbon dioxide and methanol mobile phase provided the most efficient separation. This method can be extended to other atmospheric systems.