[PDF] Top 20 Secondary Organic Aerosol (SOA) formation from hydroxyl radical oxidation and ozonolysis of monoterpenes

... Hallquist, M., Wenger, J. C., Baltensperger, U., Rudich, Y., Simpson, D., Claeys, M., Dom- men, J., Donahue, N. M., George, C., Goldstein, A. H., Hamilton, J. F., Herrmann, H., Hoff- mann, T., Iinuma, Y., Jang, M., ... See full document

... identity of molecules that make SOA for each set of precursors, every unique compound (distinct either in mass, retention time, or both) was accounted for once, not normalized by peak inten- ...variety ... See full document

... 100’s of chemical products, and often relatively small mass yields of aerosol are ...SOA formation may be numerous and also relatively mi- nor reaction ...time, and their ... See full document

... the formation of SOA from sesquiter- penes (longifolene and aromadendrene) oxidation by ...the formation of low volatility organonitrates might be one reason for the ... See full document

... SOA formation model (i.e., no oxidation ag- ing and explicit condensation of LV-SOG) and the extended N × 2p + A/C SOA formation model described in ...(data from the ... See full document

... consumed and the SOA growth has leveled out (∼58 µg m − 3 ), O/C and H/C ratios and fragment mass spectrum (not shown here) remain ...first oxidation step in the ozonolysis of ... See full document

... SOA formation in many aromatic systems (Calvert et ...petitive and changes the potential for maintaining aromatic- ity in the methoxyphenol ...the hydroxyl substituted carbon in other systems that ... See full document

... to formation aldehyde products. It is possible for these oxidation products to be of low enough vapor pressure to condense onto existing particles or form new particles by nucleating, creating ... See full document

... group of chemicals released by vegetation which have emis- sion fluxes that can be significantly increased when plants are damaged or ...series of simulation chamber ex- periments has been conducted at the ... See full document

... The formation and detailed composition of sec- ondary organic aerosol (SOA) from the gas phase ozonoly- sis of α- and β-pinene has been simulated using the Mas- ter ... See full document

... SOA formation from OH oxidation of ambient air in an OFR using the OFR185 ...range of photochemical ages with the highest SOA formation ...used, and the LVOC fate ... See full document

... derived from the CIR- TOF-MS measurements, we first outline the likely atmo- spheric oxidation processes of TMB that might lead to SOA ...Atmospheric oxidation of TMB occurs primar- ily ... See full document

... series of experiments within the MUCHACHAS cam- paign, volatility was used as a signature for changes in com- position of SOA ...initial oxidation of the parent terpenes and subsequent ... See full document

... Formation of such an equilibrium state will have signifi- cant consequences on SOA formation as the OVOCs would strive to reach simultaneous equilibrium between the parti- cles, the gas phase, ... See full document

... sensitivity of the ...hygroscopicity of particles and their de- gree of oxidation for SOA produced from the photooxidation of α-pinene, β-caryophyllene, linalool ... See full document

... presence of ROOH in SOA, especially ozonolysis SOA formed from terpenes, is likely (Ehn et ...bond, and also through H- abstractions that are part of chain oxidation mechanisms ... See full document

... Calculation of reversible SOA formation follows the ap- proach outlined in Chung and Seinfeld ...mass of SOA formed per mass of peroxy radical that re- ...aspect of this ... See full document

... 4–5% and occurs in the region where water uptake is not a strong function of ...magnitude of the reduction in aerosol water content ...percentage of water must mainly be a result ... See full document

... transfer of organic material to the pre-existing ammonium sulfate ...absence of a second particle mode suggests that nucleation does not occur to a mea- surable ... See full document

... Comparisons of refractive indices of thermodenuded and undenuded SOA studied in previous studies (Kim et ...Ranges of refractive index for each SOA result from changing chemical ... See full document