NDLI: Real-Time Study of Particle-Phase Products from ?-Pinene Ozonolysis and Isoprene Photooxidation Using Particle into Liquid Sampling Directly Coupled to a Time-of-Flight Mass Spectrometer (PILS-ToF)

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Real-Time Study of Particle-Phase Products from ?-Pinene Ozonolysis and Isoprene Photooxidation Using Particle into Liquid Sampling Directly Coupled to a Time-of-Flight Mass Spectrometer (PILS-ToF)

Content Provider	Scilit
Author	Clark, Christopher H. Nakao, Shunsuke Asa-Awuku, Akua Sato, Kei Cocker, David R.
Copyright Year	2013
Description	Journal: Aerosol Science and Technology A particle into liquid sampler (PILS) has been directly coupled to an accurate mass atmospheric ionization time-of-flight mass spectrometer (ToF) for use in the speciation of secondary organic aerosol (SOA) formed in the University of California—Riverside, College of Engineering–Center for Environmental Research and Technology (CE-CERT) atmospheric chambers. To this end, the PILS has been optimized for direct continuous injection into the ToF and the PILS-ToF system has been used to obtain real-time mass spectral traces of the particle phase products of atmospheric chamber reactions. The PILS-ToF system has been initially applied to SOA formed from α-pinene dark ozonolysis and isoprene photooxidation. The characterization of the PILS-ToF system includes experiments on the well understood $α-pinene/O_{3}$ system, which verifies the performance of the tool. The PILS-ToF tool is then used to provide new insight into the chemical composition of the SOA formed from isoprene photooxidation. For the first time, time resolved traces of oligomer formation during isoprene photooxidation are observed using the PILS-ToF. The unique subunits of oligomer series are reported. The PILS-ToF system is demonstrated to be a powerful tool for obtaining real-time electro spray ionization and chemical ionization mass spectral speciation of aerosols. Copyright 2013 American Association for Aerosol Research
Related Links	http://www.tandfonline.com/doi/pdf/10.1080/02786826.2013.844333?needAccess=true
Ending Page	1382
Page Count	9
Starting Page	1374
ISSN	02786826
e-ISSN	15217388
DOI	10.1080/02786826.2013.844333
Journal	Aerosol Science and Technology
Issue Number	12
Volume Number	47
Language	English
Publisher	Informa UK Limited
Publisher Date	2013-09-20
Access Restriction	Open
Subject Keyword	Journal: Aerosol Science and Technology Study of Particle Particle Phase Spectrometer Phase Products Photooxidation Using
Content Type	Text
Subject	Environmental Chemistry Pollution Materials Science

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