Optical properties and aging of light-absorbing secondary organic aerosol
نویسندگان
چکیده
منابع مشابه
Light-absorbing secondary organic material formed by glyoxal in aqueous aerosol mimics
Light-absorbing and high-molecular-weight secondary organic products were observed to result from the reaction of glyoxal in mildly acidic (pH=4) aqueous inorganic salt solutions mimicking aqueous tropospheric aerosol particles. High-molecular-weight (500–600 amu) products were observed when ammonium sulfate ((NH4)2SO4) or sodium chloride (NaCl) was present in the aqueous phase. The products fo...
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The size and thickness of organic aerosol particles collected by impaction in five field campaigns were compared to those of laboratory-generated secondary organic aerosols (SOA). Scanning transmission X-raymicroscopy was used tomeasure the total carbon absorbance (TCA) by individual particles as a function of their projection areas on the substrate. Particles with higher viscosity/surface tens...
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15 صفحه اولCloud condensation nucleus activation properties of biogenic secondary organic aerosol
[1] Organic aerosols in general and secondary organic aerosol (SOA) in particular are known to contribute significantly to the atmospheric population of cloud condensation nuclei (CCN). However, current knowledge is limited with respect to the nature of this contribution. This study presents a series of experiments wherein the potential for biogenically derived SOA to act as CCN is explored. Fi...
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ژورنال
عنوان ژورنال: Atmospheric Chemistry and Physics
سال: 2016
ISSN: 1680-7324
DOI: 10.5194/acp-16-12815-2016