[PDF] Top 20 A new method to discriminate secondary organic aerosols from different sources using high-resolution aerosol mass spectra
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A new method to discriminate secondary organic aerosols from different sources using high-resolution aerosol mass spectra
... AMS spectra of different OA sources and ambi- ent LV-OOA increases with aging, implying that the original fingerprint is lost and the various SOA types converge to pro- duce a general, highly ... See full document
15
Molecular composition of biogenic secondary organic aerosols using ultrahigh-resolution mass spectrometry: comparing laboratory and field studies
... the organic composition of the SOA, which is composed of thousands of organic compounds (Kanakidou et ...difficult to find a single analytical tech- nique for their detailed chemical analysis at the ... See full document
13
Identification and quantification of organic aerosol from cooking and other sources in Barcelona using aerosol mass spectrometer data
... (organic) aerosol sys- tem places great demands on measurement techniques and instrumentation (Hallquist et ...2009). Aerosol mass spec- trometers (AMS) have become a widely applied tool (Bal- ... See full document
17
High formation of secondary organic aerosol from the photo-oxidation of toluene
... of organic vapors to chamber walls To determine P wall , we assume that condensable vapors are not lost to the clean Teflon walls, but instead condense onto particles that have been deposited ... See full document
14
A new Geoengineering Model Intercomparison Project (GeoMIP) experiment designed for climate and chemistry models
... required to counteract the anthropogenic radiative forcing in the future ...ability to perform prognostic aerosol experiments including detailed aerosol ...(2012), aerosol mass ... See full document
7
Real-time, controlled OH-initiated oxidation of biogenic secondary organic aerosol
... Kanakidou, M., Seinfeld, J. H., Pandis, S. N., Barnes, I., Dentener, F. J., Facchini, M. C., Van Dingenen, R., Ervens, B., Nenes, A., Nielsen, C. J., Swietlicki, E., Putaud, J. P., Balkan- ski, Y., Fuzzi, S., Horth, J., ... See full document
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High formation of secondary organic aerosol from the photo-oxidation of toluene
... tector (GC-FID, Perkin-Elmer AutoSystem XL; J&W Scientific DB-624 capillary column, 30 m×0.530 mm) after preconcentration (Entech 7100A); and, 2) On-line, by compar- ison to the toluene volume injected into ... See full document
41
Determination of the biogenic secondary organic aerosol fraction in the boreal forest by AMS and NMR measurements
... Aiken, A. C., DeCarlo, P. F., Kroll, J. H., Worsnop, D. R., Huffman, J. A., Docherty, K. S., Ulbrich, I. M., Mohr, C., Kimmel, J. R., Sueper, D., Sun, Y., Zhang, Q., Trimborn, A., Northway, M., Ziemann, P. J., ... See full document
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Analysis of high mass resolution PTR-TOF mass spectra from 1,3,5-trimethylbenzene (TMB) environmental chamber experiments
... In addition to gas phase measurements, SOA samples were collected on Teflon filters. A PTFE filter holder equipped with a Teflon filter of a pore size of 1.2 µm was installed into a copper sample line. Within 10 ... See full document
37
Linking biogenic hydrocarbons to biogenic aerosol in the Borneo rainforest
... A series of scripts were designed for use with the Bruker Compass Automation En- gine Software. The first script plots extracted ion chromatograms for a user defined range of m/z values, then carries out peak finding and ... See full document
29
Aerosol analysis using a Proton-Transfer-Reaction Thermo-Desorption Mass Spectrometer (PTR-TD-MS): a new approach to study processing of organic aerosols
... J., Donahue, N. M., George, C., Goldstein, A. H., Hamilton, J. F., Herrmann, H., Hoffmann, T., Iinuma, Y., Jang, M., Jenkin, M. E., Jimenez, J. L., Kiendler-Scharr, A., Maenhaut, W., McFiggans, G., Mentel, Th. F., Monod, ... See full document
30
Volatility of secondary organic aerosol during OH radical induced ageing
... Schlosser, E., Brauers, T., Dorn, H.-P., Fuchs, H., H ¨aseler, R., Hofzumahaus, A., Holland, F., Wahner, A., Kanaya, Y., Kajii, Y., Miyamoto, K., Nishida, S., Watanabe, K., Yoshino, A., Ku- bistin, D., Martinez, M., ... See full document
37
Effects of sea surface winds on marine aerosols characteristics and impacts on longwave radiative forcing over the Arabian Sea
... Subsequently the AODs increased steadily to reach a peak value (0.4 at 500 nm) by 30 April to 2 May period and then dropped off. The rapid decrease off Kochi is mainly due to the decreasing source ... See full document
45
Updated aerosol module and its application to simulate secondary organic aerosols during IMPACT campaign May 2008
... study to other similar reports regard- ing the SOA simulation in ...due to missing potential sources of SOA in the model such as the aging of POA and oligomeriza- ...formation from isoprene ... See full document
16
Elemental ratio measurements of organic compounds using aerosol mass spectrometry: characterization, improved calibration, and implications
... ambient aerosol formation and aging processes under controlled and reproducible experimental conditions ...unable to generate SOA or photochem- ically aged OA with the same chemical composition as the ... See full document
20
Formation of secondary organic aerosols from the ozonolysis of dihydrofurans
... led to a fast consumption of ozone (during the first ...compared to the reference experiments (stoichiometric conditions), and the total mass fell to virtually ...data from the FMPS and ... See full document
11
A new method to measure Bowen ratios using high-resolution vertical dry and wet bulb temperature profiles
... balance method is a relatively simple method to determine the latent heat flux and the actual land surface ...ratio method is based on the measurement of air temperature and vapour pressure ... See full document
12
A new method to measure bowen ratios using high resolution vertical dry and wet bulb temperature profiles
... a new measurement methodology to estimate the Bowen ratio from high resolution vertical dry and wet bulb temperature ...m high tower installed over a sugar beet trial near ... See full document
36
Elemental analysis of aerosol organic nitrates with electron ionization high-resolution mass spectrometry
... the organic spectrum is from organic ...unlikely to be the case, meaning that the 2–12% correction we calculate to the O/C is an upper ...particle mass spectrometric measurements ... See full document
10
Formation of hydroxyl radicals from photolysis of secondary organic aerosol material
... Nizkorodov and co-workers, it has been shown that oxidative aging can also occur, leading to the formation of small molecules in the gas phase (e.g. HCHO, HCOOH, CO), rapid loss of condensed phase carbonyls, and ... See full document
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