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PULSED FLUORESCENCE MONITOR FOR MEASURING AMBIENT NITROGEN DIOXIDE. DEVELOPMENT OF A LABORATORY PROTOTYPE
Citation:
Fincher, C., A. Tucker, AND M. Birnbaum. PULSED FLUORESCENCE MONITOR FOR MEASURING AMBIENT NITROGEN DIOXIDE. DEVELOPMENT OF A LABORATORY PROTOTYPE. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/2-77/003.
Description:
A prototype pulsed flashlamp monitor for measuring ambient NO2 has been developed, constructed and tested. The basic principles are similar to a laser fluorescence NO2 monitor developed 3 years earlier by the Electronics Research Lab of the Aerospace Corp. The pulsed system has met the contract design goal of a sensitivity of 5 ppb for an integration time of 1 minute, and shows great promise for further improvement. The systems operation has been successfully demonstrated in monitoring outside air. Continued development will lead to an instrument comparable in compactness to present chemiluminescence instruments while being relatively interference free and more reliable.