Atomic resonance fluorescence for rate constants of rapid bimolecular reactions. Part 7. - Sulphur atom reactions: S+O→ SO+O and S+NO→ SO+NO from 296 to 410 K

Citation data:

Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics, ISSN: 0300-9238, Vol: 75, Issue: 0, Page: 1327-1340

Publication Year:
1979
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Repository URL:
http://scholarsmine.mst.edu/chem_facwork/1350
DOI:
10.1039/f29797501327
Author(s):
Clyne, Michael Arthur Alderson; Whitefield, Philip D.
Publisher(s):
Royal Society of Chemistry (RSC); Royal Society of Chemistry; The Royal Society of Chemistry
Tags:
Physics and Astronomy; Chemistry
article description
Detection of SPatoms in a flow system, using atomic resonance fluorescence at 181 nm, has been used to determine the rate constants kand k/cmsfor reactions (1) and (2): S+O→SO+O; (1) S+ NO→SO+NO. (2) Pseudo first-order conditions were used wih [O]/[S]and [NO]/[S]≫ 1. Measurements of kand kfrom 296 to 410 K gave the following Arrhenius expressions: k= (1.7 ± 0.5) × 10exp (+(153 ± 108)/T) cms; (2σ) and k= (4.9 ± 1.0) × 10exp (+(84 ± 60)/T) cms. (2σ).