Gas-phase reaction of hydroxyl radical with the natural hydrocarbon bornyl acetate

被引：2
作者：
Coeur, C [1 ]
Jacob, V [1 ]
Foster, P [1 ]
机构：
[1] Lab GRECA, F-38000 Grenoble, France
来源：
PHYSICS AND CHEMISTRY OF THE EARTH PART C-SOLAR-TERRESTIAL AND PLANETARY SCIENCE | 1999年 / 24卷 / 05期
关键词：
D O I：
10.1016/S1464-1917(99)00087-2
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
The gas-phase reaction of bornyl acetate (bicyclo[2,2, 1]-heptan-2-ol-1,7,7-trimethyl-acetate), with hydroxyl radical has been studied. The rate constant determined at 294 K is k = (13.9 +/- 2.2) x 10(-12) cm(3).molecule(-1).s(-1). 1,7,7-trimethyl-bicyclo[2.2.1]-heptan-2-one; 4,7,7-trimethyl-5-acetyloxy-bicyclo[2.2.1]-heptan-2-one and 1,7,7-trimethyl-6-acetyloxy-bicyclo[2.2. 1]heptan-2,3-dione were identified as degradation products. Their estimated formation yields were lower than 1 %. The reaction of bornyl acetate with hydroxyl radical leads to organic aerosols. The fraction of the carbon initially present that is converted to aerosol remained under 5 %. 1,7,7-trimethyl-6-acetyloxy-bicyclo [2.2.1]-heptan-2,3-dione has been identified as the main detected aerosol product. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：537 / 539
页数：3
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