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Probing the Chemical Dynamics of Aerosols

Flagan, Richard C. (1993) Probing the Chemical Dynamics of Aerosols. In: Measurement Challenges in Atmospheric Chemistry. Advances in Chemistry. No.232. American Chemical Society , Washington, DC, pp. 185-210. ISBN 9780841224704.

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Atmospheric aerosols are complex mixtures of particles emitted into the atmosphere and secondary particles formed as a result of gas-phase chemical reactions. Secondary aerosols are formed by condensation of the products of gas-phase reactions onto particle surfaces or by homogeneous nucleation. Particle formation and growth are often very rapid; this rapidity places severe demands on the instrumentation used to monitor the aerosol evolution. These demands are particularly evident in smog chamber studies that are designed to elucidate the fundamental processes that take place in the atmosphere. Many reacting systems produce several condensible species; this situation further complicates the analysis of aerosol formation and growth. This chapter reviews the present aerosol instrumentation available and gives results from smog chamber studies, showing some of the recent advances that are helping further the understanding of atmospheric aerosol chemical dynamics. Examples from smog chamber studies are used to illustrate needed improvements in instrumentation for following the evolution of the composition and size distributions of atmospheric aerosols.

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Flagan, Richard C.0000-0001-5690-770X
Additional Information:© 1993 American Chemical Society. Received for review May 30, 1992. Accepted revised manuscript August 10, 1992. Published in print 1 June 1993. This work was supported by National Science Foundation Grant ATM-9003186.
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Series Name:Advances in Chemistry
Issue or Number:232
Record Number:CaltechAUTHORS:20180405-140056270
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Official Citation:Probing the Chemical Dynamics of Aerosols Richard C. Flagan Measurement Challenges in Atmospheric Chemistry. June 1, 1993, 185-210 DOI:10.1021/ba-1993-0232.ch006
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:85652
Deposited By: Ruth Sustaita
Deposited On:05 Apr 2018 21:49
Last Modified:15 Nov 2021 20:30

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