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Prototype FAGE determination of NO2A low pressure laser-excited-fluorescence technique for the direct determination of atmospheric NO2 has been developed. Using a frequency-doubled Nd-YAG pump laser and a signal collection time of 20 s (10 s each signal and background), a detection limit of 450 pptv is calculated under laboratory conditions. Improved sensitivities will be possible with a higher repetition rate laser and lower fluorescence cell pressures.
Document ID
19910053693
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
George, L. A.
(Portland State Univ. OR, United States)
O'Brien, R. J.
(Portland State University OR, United States)
Date Acquired
August 15, 2013
Publication Date
April 1, 1991
Publication Information
Publication: Journal of Atmospheric Chemistry
Volume: 12
ISSN: 0167-7764
Subject Category
Geophysics
Accession Number
91A38316
Funding Number(s)
CONTRACT_GRANT: NSF ATM-86-15163
CONTRACT_GRANT: EPA-R-813012
CONTRACT_GRANT: NAG1-697
Distribution Limits
Public
Copyright
Other

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