A possible technique for the measurement of atmospheric peroxy radicals | Zendy

Cantrell C. A. | Zendy; Stedman D. H. | Zendy

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A possible technique for the measurement of atmospheric peroxy radicals

Author(s) -

Cantrell C. A.,

Stedman D. H.

Publication year - 1982

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/gl009i008p00846

Subject(s) - radical , oxidizing agent , luminol , luminescence , photochemistry , amplifier , chain reaction , chemiluminescence , chemistry , analytical chemistry (journal) , materials science , environmental chemistry , organic chemistry , optoelectronics , cmos

A system is described whereby ambient free radicals (predominantly HO 2 and RO 2 ) are detected by their ability to initiate a chain reaction oxidizing NO and CO. The NO 2 thus produced by this "chemical amplifier" is modulated by substitution of N 2 for CO and detected by a liquid phase luminescence with luminol. A prototype system and results of ambient air sampling are presented.

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