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[PDF] Top 20 The role of low volatile organics on secondary organic aerosol formation

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The role of low volatile organics on secondary organic aerosol formation

The role of low volatile organics on secondary organic aerosol formation

... In the study by Matsunaga and Zie- mann (2010) n-Alkanes, 2-Alcohols, and 1-Alkenes reached equilibrium in timescales of more than 1 ...Ketones, the equilibrium was reached within 25 min, which was ... See full document

12

Formation of secondary organic aerosol in the Paris pollution plume and its impact on surrounding regions

Formation of secondary organic aerosol in the Paris pollution plume and its impact on surrounding regions

... Abstract. Secondary pollutants such as ozone, secondary in- organic aerosol, and secondary organic aerosol formed in the plumes of megacities can affect ... See full document

20

Global modeling of secondary organic aerosol formation from aromatic hydrocarbons: high- vs. low-yield pathways

Global modeling of secondary organic aerosol formation from aromatic hydrocarbons: high- vs. low-yield pathways

... Europe, the importance of anthropogenic SOA in winter and biogenic SOA in the summer is in general agreement with recent findings (Simpson et ...Over the Northeastern United States during JJA, ... See full document

16

A secondary organic aerosol formation model considering successive oxidation aging and kinetic condensation of organic compounds: global scale implications

A secondary organic aerosol formation model considering successive oxidation aging and kinetic condensation of organic compounds: global scale implications

... contribution of secondary organic aerosol (SOA) to par- ticle growth, size, and mass is one of the major uncertain- ties in current regional and global aerosol ... See full document

17

Novel methods for predicting gas-particle partitioning during the formation of secondary organic aerosol

Novel methods for predicting gas-particle partitioning during the formation of secondary organic aerosol

... that the level of agreement depends on the range of K i ,WIOM , ...simple, volatile compounds and for less volatile chemicals with multiple functional ...groups. ... See full document

45

Evaluation of the atmospheric significance of multiphase reactions in atmospheric secondary organic aerosol formation

Evaluation of the atmospheric significance of multiphase reactions in atmospheric secondary organic aerosol formation

... Organic aerosol particles, in spite of their increasingly im- portant role in key atmospheric processes such as radiative transfer or cloud formation, still constitute a puzzle to ... See full document

9

High formation of secondary organic aerosol from the photo-oxidation of toluene

High formation of secondary organic aerosol from the photo-oxidation of toluene

... and organics may thus introduce some error in the mass yield ...dependent on particle size, ammonium sulfate and or- ganics will be lost at slightly different ...rates. The wall loss of ... See full document

14

Secondary organic aerosol formation from phenolic compounds in the absence of NO<sub>x</sub>

Secondary organic aerosol formation from phenolic compounds in the absence of NO<sub>x</sub>

... mass of ana- ...mentation of the analytes compared to electron impact (EI) used for the HR-ToF-AMS or other conventional GC-MS ...(Agilent low concentration MMI tuning mix, G1969-85020) ... See full document

12

Analysis of secondary organic aerosol formation and aging using positive matrix factorization of high-resolution aerosol mass spectra: application to the dodecane low-NO&lt;sub&gt;x&lt;/sub&gt; system

Analysis of secondary organic aerosol formation and aging using positive matrix factorization of high-resolution aerosol mass spectra: application to the dodecane low-NO<sub>x</sub> system

... measurements of aerosol composition enable derivation of a number of key SOA properties; these include the atomic oxygen-to-carbon and hydrogen-to-carbon ratios (O : C and H : C), from ... See full document

23

Reactive oxidation products promote secondary organic aerosol formation from green leaf volatiles

Reactive oxidation products promote secondary organic aerosol formation from green leaf volatiles

... estimate of global SOA production based on VOC fluxes by Goldstein and Galbally indicated that there may be significant missing SOA precursors that are currently unknown (Goldstein and Galbally, ...2007). ... See full document

9

The formation of secondary organic aerosol from the isoprene + OH reaction in the absence of NO&lt;sub&gt;x&lt;/sub&gt;

The formation of secondary organic aerosol from the isoprene + OH reaction in the absence of NO<sub>x</sub>

... source of nonmethane hydrocarbons (Guenther et ...influence on levels of atmospheric gas-phase ox- idants, it has only been determined recently that isoprene also plays a role in ... See full document

18

Secondary organic aerosol formation from photochemical aging of light-duty gasoline vehicle exhausts in a smog chamber

Secondary organic aerosol formation from photochemical aging of light-duty gasoline vehicle exhausts in a smog chamber

... Clairotte, M., Adam, T. W., Zardini, A. A., Manfredi, U., Martini, G., Krasenbrink, A., Vicet, A., Tournie, E., and Astorga, C.: Effects of low temperature on the cold start gaseous emissions ... See full document

40

Fungal spores overwhelm biogenic organic aerosols in a midlatitudinal  forest

Fungal spores overwhelm biogenic organic aerosols in a midlatitudinal forest

... biological aerosol particles (PBAPs) and oxidation products of biogenic volatile organic com- pounds (BVOCs) contribute significantly to organic aerosols (OAs) in forested ...biomarkers ... See full document

10

In-cloud processes of methacrolein~under simulated conditions &amp;ndash; Part 2: Formation of Secondary Organic Aerosol

In-cloud processes of methacrolein~under simulated conditions &ndash; Part 2: Formation of Secondary Organic Aerosol

... into the droplets. The dissolved or- ganics may undergo chemical conversions in the aqueous phase (hydrolysis, further oxidation, polymerisation ...less volatile organics. These ... See full document

25

J. Braz. Chem. Soc.  vol.16 número5

J. Braz. Chem. Soc. vol.16 número5

... areas of Mediterranean countries constitute an appropriate environment to investigate the secondary organic ...aerosols. The objective of this study was to study in situ ... See full document

13

Formation of secondary organic aerosols from the ozonolysis of dihydrofurans

Formation of secondary organic aerosols from the ozonolysis of dihydrofurans

... in the atmospheric mechanisms leading to the formation of secondary organic aerosols, SOAs (Chan et ...ysis of terpenes has been reported as a potential source of ... See full document

11

Development of a secondary organic aerosol formation mechanism: comparison with smog chamber experiments and atmospheric measurements

Development of a secondary organic aerosol formation mechanism: comparison with smog chamber experiments and atmospheric measurements

... model. The calculation shows a large increase in SOA during the first day of the simulation due to the initialization of gas-phase oxygenated interme- diate compounds in our ... See full document

33

Characterization and testing of a new environmental chamber designed for emission aging studies

Characterization and testing of a new environmental chamber designed for emission aging studies

... for secondary product formation both in particle and gas phase. The observed yields of SOA and gaseous first and second generation reaction products were reason- able and comparable to those ... See full document

31

The effect of photochemical ageing and initial precursor concentration on the composition and hygroscopic  properties of β-caryophyllene secondary organic aerosol

The effect of photochemical ageing and initial precursor concentration on the composition and hygroscopic properties of β-caryophyllene secondary organic aerosol

... from the filters were directly injected into the ion trap mass spectrometer without separation using a syringe pump at 240 µlpm, to obtain a molar mass distribu- ...SOA of different degrees of ... See full document

20

Secondary organic aerosol yields of 12-carbon alkanes

Secondary organic aerosol yields of 12-carbon alkanes

... in the present systems. The extent of vapor phase wall losses in both of the Caltech chamber facilities was investigated using experiments in which a known volume of dodecanone, ... See full document

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