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A Laboratory Flow Reactor with Gas Particle Separation and On-line Ms/Ms for Product Identification in Atmospherically Important Reactions : Volume 2, Issue 3 (03/06/2009)

By Bennett, J. F.

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Book Id: WPLBN0003999802
Format Type: PDF Article :
File Size: Pages 32
Reproduction Date: 2015

Title: A Laboratory Flow Reactor with Gas Particle Separation and On-line Ms/Ms for Product Identification in Atmospherically Important Reactions : Volume 2, Issue 3 (03/06/2009)  
Author: Bennett, J. F.
Volume: Vol. 2, Issue 3
Language: English
Subject: Science, Atmospheric, Measurement
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2009
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Hastie, D. R., Collin, F., & Bennett, J. F. (2009). A Laboratory Flow Reactor with Gas Particle Separation and On-line Ms/Ms for Product Identification in Atmospherically Important Reactions : Volume 2, Issue 3 (03/06/2009). Retrieved from http://www.ebooklibrary.org/


Description
Description: Department of Chemistry and Centre for Atmospheric Chemistry, York University, 4700 Keele St., Toronto, Ontario, M3J 1P3, Canada. A system to study the gas and particle phase products from gas phase hydrocarbon oxidation is described. It consists of a gas phase photochemical flow reactor followed by a diffusion membrane denuder to remove gases from the reacted products, or a filter to remove the particles. Chemical analysis is performed by an atmospheric pressure chemical ionization (APCI) triple quadrupole mass spectrometer. A diffusion membrane denuder is shown to remove trace gases to below detectable limits so the particle phase can be studied. The system was tested by examining the products of the oxidation of m-xylene initiated by HO radicals. Dimethylphenol was observed in both the gas and particle phases although individual isomers could not be identified. Two furanone isomers, 5-methyl-2(3H)furanone and 3-methyl-2(5H)furanone were identified in the particulate phase, but the isobaric product 2,5 furandione was not observed. One isomer of dimethyl-nitrophenol was identified in the particle phase but not in the gas phase.

Summary
A laboratory flow reactor with gas particle separation and on-line MS/MS for product identification in atmospherically important reactions

Excerpt
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