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Chemical Reactivity and Liquid/NonLiquid States of Secondary Organic Material Yong Jie Li, Pengfei Liu, Zhaoheng Gong, Yan Wang, Adam P. Bateman, Clara Bergoend, Allan K. Bertram, and Scot T. Martin Environ. Sci. Technol., Just Accepted Manuscript • DOI: 10.1021/acs.est.5b03392 • Publication Date (Web): 14 Oct 2015 Downloaded from http://pubs.acs.org on October 14, 2015
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Environmental Science & Technology
Chemical Reactivity and Liquid/Non-Liquid States of Secondary Organic Material by Yong Jie Li (1, 2), Pengfei Liu (1), Zhaoheng Gong (1), Yan Wang (3), Adam P. Bateman (1), Clara Bergoend (1, 4), Allan K. Bertram* (5), and Scot T. Martin* (1, 6) (1) School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, USA (2) Department of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Avenida da Universidade, Taipa, Macau, China (3) Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts 02115, USA (4) Department of Energy and Environment, National Institute of Applied Science of Lyon, Villeurbanne, 69100, France (5) Department of Chemistry, University of British Columbia, Vancouver, BC V6T 1Z1, Canada (6) Department of Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts 02138, USA *
To Whom Correspondence Should be Addressed
Scot T. Martin: 29 Oxford St., Pierce Hall, Room 122, School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, USA http://www.seas.harvard.edu/environmental-chemistry Tel.: (617) 495-7620; Fax: (617) 496-1471; E-mail:
[email protected] Allan K. Bertram: Rm E222, 2036 Main Mall, Department of Chemistry, University of British Columbia, Vancouver, BC V6T 1Z1, Canada Tel.: (604) 822-2113; Fax: (604) 822-2747; E-mail:
[email protected] Revised: October 2015 Environmental Science & Technology
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Environmental Science & Technology
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Abstract The reactivity of secondary organic material (SOM) of variable viscosity, ranging from
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non-liquid to liquid physical states, was studied. The SOM, produced in aerosol form from
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terpenoid and aromatic precursor species, was reacted with ammonia at variable relative
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humidity (RH). The ammonium-to-organic mass ratio (MNH+4 /MOrg ) increased monotonically
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from
