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Fogwater collector design and characterization

Jacob, Daniel J. and Wang, Rueen Fang T. and Flagan, Richard C. (1984) Fogwater collector design and characterization. Environmental Science and Technology, 18 (11). pp. 827-833. ISSN 0013-936X. https://resolver.caltech.edu/CaltechAUTHORS:20150630-110005659

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Abstract

The detailed characterization of a rotating arm collector to sample ambient fog droplets for chemical analysis is presented. Because of the large volume of sample required, and because fog droplets are of supermicron size and are sensitive to local thermodynamic disturbances, conventional methods for atmospheric aerosol sampling are not suitable for fogwater sampling. Design criteria for fogwater samplers are outlined. Devices used in previous investigations are evaluated in light of these criteria. The design of a rotating arm collector is discussed, and it is shown that this instrument performs adequately in preserving the physical and chemical integrity of the sample at all stages of collection. Limitations in the design due to mechanical constraints are discussed. Results of an in situ calibration experiment using a chemically tagged monodisperse aerosol indicate a size cut of 20-pm diameter.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/es00133a608DOIArticle
http://pubs.acs.org/doi/abs/10.1021/es00129a005PublisherArticle
http://dx.doi.org/10.1021/es00133a608ErrataErrata
http://pubs.acs.org/doi/abs/10.1021/es00133a608ErrataErrata
ORCID:
AuthorORCID
Flagan, Richard C.0000-0001-5690-770X
Additional Information:© 1984 American Chemical Society Received for review August 8, 1983. Accepted May 15,1984. This research was funded by the California Air Resources Board (A2-048-32) and the President’s Fund of the California Institute of Technology. E. F. Daly and J. J. Fontana constructed the collectors and provided many valuable practical suggestions. Comments from D. S. Wood, J. M. Waldman, J. W. Munger, and M. R. Hoffmann are gratefully acknowledged.
Errata:Correction. Fogwater Collector Design and Characterization. Daniel J. Jacob , Rueen-Fang T. Wang , Richard C. Flagan. Environ. Sci. Technol., 1985, 19 (3), pp 288–288 DOI: 10.1021/es00133a608
Funders:
Funding AgencyGrant Number
California Air Resources BoardA2-048-32
Caltech President’s FundUNSPECIFIED
Issue or Number:11
Record Number:CaltechAUTHORS:20150630-110005659
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150630-110005659
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:58704
Collection:CaltechAUTHORS
Deposited By: Irina Meininger
Deposited On:29 Jul 2015 03:50
Last Modified:03 Oct 2019 08:39

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