Gas-phase rate constants for the reaction of NO3 radicals with selected oxiranes

被引：5
|
作者：
Kind, I
Berndt, T
Boge, O
Rolle, W
机构：
[1] Inst. fur Tropospharenforschung e.V., D-04303 Leipzig
来源：
CHEMICAL PHYSICS LETTERS | 1996年 / 249卷 / 1-2期
关键词：
D O I：
10.1016/0009-2614(95)01327-X
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 gas-phase reaction of NO3 radicals with selected oxiranes has been studied in a flow system at T = 295 +/- 2 K in the pressure range 3.4-50 mbar using N-2 as carrier gas. The analysis of the organics was performed by means of on-line connected GC-FID. Rate constants were obtained with the relative rate method: 3,4-epoxy-cyclohexene: (2.70 +/- 0.18) x 10(-13): 2,2-dimethyl-3-(2,2-dimethyl-vinyl)-oxirane: (4.74 +/- 0.54) x 10(-12); 2-methyl-2-(1-methyl-vinyl)-oxirane: (1.55 +/- 0.12) x 10(-13); 2-methyl-2-vinyloxirane: (9.40 +/- 2.62) x 10(-15); vinyloxirane: (6.15 +/- 1.94) x 10(-15); tetramethyloxirane: < 5 x 10(-15); and cis-2,3-dimethyloxirane: < 5 x 10(-15) cm(-3) molecule(-1) s(-1).
引用
收藏
页码：35 / 39
页数：5
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