Articles | Volume 18, issue 15
Research article
06 Aug 2018
Research article |  | 06 Aug 2018

Synthesis and characterisation of peroxypinic acids as proxies for highly oxygenated molecules (HOMs) in secondary organic aerosol

Sarah S. Steimer, Aurélie Delvaux, Steven J. Campbell, Peter J. Gallimore, Peter Grice, Duncan J. Howe, Dominik Pitton, Magda Claeys, Thorsten Hoffmann, and Markus Kalberer


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Short summary
Aerosol particles are a major public health concern, but particle properties contributing to their toxicity are not well known. Oxidising components such as peroxy acids might contribute significantly to particle toxicity. However, there is a lack of analytical methods for their characterisation. We synthesized three peroxy acids, developed an analysis method and showed that degradation affects peracid yield, likely leading to underestimation of their concentration in conventional analyses.
Final-revised paper