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Collisional quenching of NO(A, v' =0) by various gases

✍ Scribed by Gary D. Greenblatt; A.R. Ravishankara

Publisher: Elsevier Science
Year: 1987
Tongue: English
Weight: 432 KB
Volume: 136
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(87)80506-7

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✦ Synopsis

The rate coefficients for the quenching of NO(A ?Z, u' =0) by NO, N20, H20, 02, SF6, and CO* were measured to be (in units of lo-"' cm3 molecule-' s-l): 2.67k0.41, 3.79f.0.49, 7.8? 1.0, 1.46f0.25, 3.82f0.49, and 4.3OkO.26, respectively. Upper limits for the quenching rate constants by Nz. Ar, Ne, Hz, and CF., were also measured. All experiments were carried out by monitoring the temporal profiles of A 'E, u' = O-+X %, u" = 3 fluorescence after 226 nm pulsed laser excitation of NO( X % ) to NO(A%, u'=O).

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