Fast-flow study of the C plus NO and C+O2 reactions

被引：37
|
作者：
Bergeat, A [1 ]
Calvo, T [1 ]
Dorthe, G [1 ]
Loison, JC [1 ]
机构：
[1] Univ Bordeaux 1, CNRS, UMR 5804, Lab Physicochim Mol, F-33405 Talence, France
来源：
CHEMICAL PHYSICS LETTERS | 1999年 / 308卷 / 1-2期
关键词：
D O I：
10.1016/S0009-2614(99)00586-2
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The C + NO and C + O-2 reactions were studied, at room temperature, in a low-pressure fast-flow reactor. C atoms were obtained from the reaction of CBr4 or CCL4 with potassium atoms and probed by their VUV resonance fluorescence. For C + NO, the overall rate constant was determined as (5.4+/-0.8)x 10(-11) cm(3) molecule(-1) s(-1) and for C+O-2 as (2.5 +/- 0.4)x 10(-11) cm(3) molecule s(-1). For the C + NO reaction, yielding N(D-2, S-4) + CO and O(P-3)+ CN, the atomic products were also probed by their VUV resonance fluorescence. The [N(D-2)+ N(S-4)]/[O(P-3)] branching ratio was estimated as 1.5 +/- 0.3. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
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页码：7 / 12
页数：6
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