Kinetics and mechanism of gas-phase reaction of CF3CF2CF2CF2CF2CF2CF2CF2H with OH radicals in an environmental reaction chamber at 253-328 K

被引：1
|
作者：
Chen, L. [1 ]
Uchimaru, T. [1 ]
Kutsuna, S. [1 ]
Tokuhashi, K. [1 ]
Sekiya, A. [1 ]
Okamoto, H. [2 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058569, Japan
[2] Asahi Glass Co Ltd, AGC Chem, Kanagawa 2218755, Japan
来源：
CHEMICAL PHYSICS LETTERS | 2011年 / 501卷 / 4-6期
关键词：
Environmental chambers - Fourier transform infrared spectroscopy - Rate constants - Free radicals - Phase interfaces;
D O I：
10.1016/j.cplett.2010.12.009
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 atmospheric chemistry of CF3(CF2)(7)H was studied in an 11.5-dm(3) environmental reaction chamber by means of Fourier transform infrared spectroscopy. Using a relative rate method, we determined the Arrhenius expression for the rate constant of the reaction of CF3(CF2)(7)H with OH radicals to be (4.32 +/- 1.87) x 10(-13) exp[-(1540 +/- 130)/T] cm(3) molecule(-1) s(-1) at 253-328 K. At 298 K, COF2 was a sole product in a molar yield of (1.02 +/- 0.11) in terms of carbon. (C) 2010 Elsevier B. V. All rights reserved.
引用
收藏
页码：263 / 266
页数：4
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