Atmospheric chemistry of C2F5CHO:: reaction with Cl atoms and OH radicals, IR spectrum of C2F5C(O)O2NO2

被引：33

作者：

Andersen, MPS

Hurley, MD

Wallington, TJ

Ball, JC

Martin, JW

Ellis, DA

Mabury, SA

Nielsen, OJ

机构：

[1] Ford Motor Co, Dearborn, MI 48121 USA

[2] Univ Toronto, Dept Chem, Toronto, ON M5S 3H6, Canada

[3] Univ Copenhagen, Dept Chem, DK-2100 Copenhagen, Denmark

来源：

CHEMICAL PHYSICS LETTERS | 2003年 / 379卷 / 1-2期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1016/j.cplett.2003.08.004

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：

Smog chamber/FTIR techniques were used to measure k(Cl + C2F5CHO) = (1. 96 +/- 0.28) X 10(-12) and k(OH + C2F5CHO) = (5.26 +/- 0.80) x 10(-13) cm(3) molecule(-1) s(-1) in 700 Torr of N-2 or air at 296 +/- 2 K. The C1 initiated oxidation Of C2F5CHO in the presence of NO in air diluent gave COF2, CF3ONO2, and C2F5C(O)O2NO2 in molar yields of 180 +/- 19%, 6.1 +/- 0.6%, and 1.0 +/- 0.3%, respectively. The IR spectrum for C2F5C(O)O2NO2 is reported. Results are discussed with respect to the potential for the atmospheric degradation of fluorinated aldehydes, CnF2n+1CHO, to contribute to the observed environmental burden of fluorinated carboxylic acids, CnF2n+1C(O)OH. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：28 / 36

页数：9

共 30 条

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