Formation and chemical aging of secondary organic aerosol during the β-caryophyllene oxidation
نویسندگان
چکیده
منابع مشابه
Influence of aerosol acidity on the chemical composition of secondary organic aerosol from β-caryophyllene
The secondary organic aerosol (SOA) yield of βcaryophyllene photooxidation is enhanced by aerosol acidity. In the present study, the influence of aerosol acidity on the chemical composition of β-caryophyllene SOA is investigated using ultra performance liquid chromatography/electrospray ionization-time-of-flight mass spectrometry (UPLC/ESI-TOFMS). A number of first-, secondand higher-generation...
متن کاملRelating CCN activity, volatility, and droplet growth kinetics of β-caryophyllene secondary organic aerosol
This study investigates the droplet formation characteristics of secondary organic aerosol (SOA) formed during the ozonolysis of sesquiterpene β-caryophyllene (with and without hydroxyl radicals present). Emphasis is placed on understanding the role of semi-volatile material on Cloud Condensation Nucleus (CCN) activity and droplet 5 growth kinetics. Aging of β-caryophyllene SOA significantly af...
متن کاملFormation and aging of secondary organic aerosol from toluene: changes in chemical composition, volatility, and hygroscopicity
Secondary organic aerosol (SOA) is transformed after its initial formation, but this chemical aging of SOA is poorly understood. Experiments were conducted in the Carnegie Mellon environmental chamber to form secondary organic aerosol (SOA) from the photo-oxidation of toluene and other small aromatic volatile organic compounds (VOCs) in the presence of NOx under different oxidizing conditions. ...
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ژورنال
عنوان ژورنال: Atmospheric Chemistry and Physics
سال: 2015
ISSN: 1680-7324
DOI: 10.5194/acp-15-6035-2015