Articles | Volume 16, issue 11
Atmos. Chem. Phys., 16, 7135–7148, 2016
https://doi.org/10.5194/acp-16-7135-2016
Atmos. Chem. Phys., 16, 7135–7148, 2016
https://doi.org/10.5194/acp-16-7135-2016
Research article
10 Jun 2016
Research article | 10 Jun 2016

Characterization of polar organosulfates in secondary organic aerosol from the unsaturated aldehydes 2-E-pentenal, 2-E-hexenal, and 3-Z-hexenal

Mohammad Safi Shalamzari et al.

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Short summary
Evidence is provided that the green leaf aldehydes 2-E-pentenal, 2-E-hexenal, and 3-Z-hexenal are precursors for secondary organic aerosol, namely, organosulfates with MWs 230, 214, and 170. The structures were elucidated with liquid chromatography/(−)electrospray ionization mass spectrometry (MS), involving accurate mass measurements and ion trap MS. It is shown that the MW 214 isomer with the sulfate group at the C-2 position is unstable and decarboxylates to a MW 170 organosulfate.
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