[PDF] Top 20 Secondary Organic Aerosol Composition Studies Using Mass Spectrometry

... SOA composition at a molecular level is typically conducted using solvent extraction and electron impact ionization (EI) in order to conduct a mass spectrometric ...chromatography/mass ... See full document

... ionization mass spectrometry (FIDI-MS) to in- vestigate the OH oxidation of pinonic acid at the air-water interface (Grimm and Beauchamp, 2003, ...other mass spectrometric techniques by the ability ... See full document

... of secondary organic aerosol, by isolating specific compounds of interest and controlling the oxidation ...difficult, aerosol yields have been used in the study of secondary precursor ... See full document

... SOA mass for offline composition and single-particle ...analysed using infrared spectroscopy may be affected by artefacts. Future studies should use an activated charcoal trap prior to the ... See full document

... the aerosol sample within the ...input aerosol concentration, predicts the mass concentration in successive vials collected; the model incorporates plumbing efficiencies, droplet growth, evaporation ... See full document

... experimental studies have shown clearly the importance of characterizing SOA under atmospherically rel- evant organic particle mass ...α-pinene using an Aerodyne high-resolution time- ... See full document

... matter mass (Zhang et al., 2007a). Most particulate organic matter (POM) is sec- ondary in origin, comprising condensable oxidation products of gas-phase volatile organic compounds (VOCs) (Hallquist ... See full document

... with Cis (Sadezky et al., 2008; Zhao et al., 2015). Among them, the reactions of CIs with protic substances (water, al- cohols, acids and hydroperoxides) can form ROOH. How- ever, the nature of the ROOH products observed ... See full document

... Aerodyne Aerosol Mass Spectrometer (AMS) (Jayne et ...for mass spectrometric analysis of particulate matter in ambient stud- ...volatility studies to monitor changes in OA composition ... See full document

... agitation and derivatization of carboxyl and hydroxyl functions into trimethylsilyl (TMS) derivatives. The extract was divided into two parts; one part was trimethylsilylated while the other part was stored in a ... See full document

... EA using the HR-ToF-AMS has been de- scribed in the literature (Aiken et ...original mass in the EI region of the ...the mass of the molecule (Jimenez et ...elemental composition of individual ... See full document

... SOA mass yields measured in the reaction of ...the mass transfer of semi-volatile oxidation products to newly formed particles (via nucleation) during the early stages of the ...smaller aerosol ... See full document

... numerous studies in urban plumes have ob- served rapid production of SOA in amounts up to ten times the original emissions of primary organic aerosol (POA), which greatly exceeds the predictions of ... See full document

... maintain aerosol chemical and physical and properties such as composition and size ...Versatile Aerosol Con- centration Enrichment System (VACES; Kim et ... See full document

... low mass resolution of these instruments reduces their ...other studies have proposed the use of the HR-ToF-AMS for the analysis of aqueous or organic solvent extracts of filter samples, which are ... See full document

... of aerosol is organic in most urban areas (Zhang et ...AMS mass spectra in order to identify classes of organic compounds that constitute OA (Paatero and Tapper, 1994; Paatero, 1997; Ulbrich ... See full document

... chemical composition of secondary organic aerosol (SOA) from a volatile organic precursor comprises dozens of compounds owing to the variety of reaction pathways leading to semivolatile ... See full document

... O/C and OM/OC ratios of primary, secondary, and ambient organic aerosols with high-resolution time-of-flight aerosol mass spectrometry.. Global modeling of tropospheric chemistry with as[r] ... See full document

... six-ion mass thresh- old, despite being identified as a particle event by exceed- ing the light-scattering ...the mass de- tector within a narrow time range after they would be ex- pected to arrive based on ... See full document

... inorganic, organic acid, and amine ions in aerosol ...and organic gases that would otherwise bias aerosol ...off-line using a dual IC system (ICS-2000 with 25 μL sample loop, Dionex, ... See full document