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Kinetic study of some elementary reactions of sulfur compounds including reactions of S and SO with OH radicals
Author(s) -
Jourdain J. L.,
Bras G. Le,
Combourieu J.
Publication year - 1979
Publication title -
international journal of chemical kinetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.341
H-Index - 68
eISSN - 1097-4601
pISSN - 0538-8066
DOI - 10.1002/kin.550110603
Subject(s) - chemistry , radical , reactivity (psychology) , electron paramagnetic resonance , sulfur , reaction rate constant , kinetic energy , analytical chemistry (journal) , kinetics , organic chemistry , nuclear magnetic resonance , pathology , quantum mechanics , medicine , physics , alternative medicine
The reactions of S + OH → SO + H (1) and SO + OH → SO 2 + H (2) were studied in a discharge flow reactor coupled to an EPR spectrometer. The rate constants obtained under the pseudo‐first‐order conditions with an excess of S or SO were found to be k 1 = (6.6 ± 1.4) × 10 −11 and k 2 = (8.4 ± 1.5) × 10 −11 at room temperature. Units are cm 3 /molec·sec. Besides no reactivity was observed between S and CO 2 at 298 K and between CIO and SO 2 up to 711 K.