Articles | Volume 19, issue 3
https://doi.org/10.5194/acp-19-1649-2019
https://doi.org/10.5194/acp-19-1649-2019
Research article
 | 
08 Feb 2019
Research article |  | 08 Feb 2019

Physical properties of secondary photochemical aerosol from OH oxidation of a cyclic siloxane

Nathan J. Janechek, Rachel F. Marek, Nathan Bryngelson, Ashish Singh, Robert L. Bullard, William H. Brune, and Charles O. Stanier

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Nathan Janechek on behalf of the Authors (20 Dec 2018)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (21 Dec 2018) by Rupert Holzinger
RR by Anonymous Referee #2 (08 Jan 2019)
ED: Publish as is (17 Jan 2019) by Rupert Holzinger
AR by Nathan Janechek on behalf of the Authors (27 Jan 2019)  Manuscript 
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Short summary
Cyclic volatile methyl siloxanes (cVMSs) are widely used chemicals in personal care products which can undergo oxidation to generate secondary organic aerosol. In this work, cVMS oxidation aerosols were generated using a photochemical chamber and the physical properties characterized. The aerosol yield, volatility, hygroscopicity, morphology, elemental composition, and proposed parameters for treatment as secondary organic aerosol in atmospheric models are provided.
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