Kinetics study of the gas-phase reactions of C2F5OC(O)H and n-C3F7OC(O)H with OH radicals at 253–328 K
作者:L. Chen、S. Kutsuna、K. Tokuhashi、A. Sekiya
DOI:10.1016/j.cplett.2004.11.019
日期:2004.12
the reactions of C2F5OC(O)H and n-C3F7OC(O)H with OH radicals were measured using an FT-IR technique at 253–328 K. k1 and k2 were determined as (9.24 ± 1.33) × 10−13 exp[−(1230 ± 40)/T] and (1.41 ± 0.26) × 10−12 exp[−(1260 ± 50)/T] cm3 molecule−1 s−1. The random errors reported are ±2 σ, and potential systematic errors of 10% could add to the k1 and k2. The atmospheric lifetimes of C2F5OC(O)H and n-C3F7OC(O)H
使用FT-IR技术在253-328 K下测量C 2 F 5 OC(O)H和n -C 3 F 7 OC(O)H与OH自由基反应的速率常数k 1和k 2。ķ 1和ķ 2被确定为(9.24±1.33)×10 -13 EXP [ - (1230±40)/ Ť ]和(1.41±0.26)×10 -12 EXP [ - (1260±50)/ Ť ] cm 3 分子-1 s -1。报告的随机误差为± 2σ,并且潜在的10%的系统误差可能会增加k 1和k 2。估计C 2 F 5 OC(O)H和n -C 3 F 7 OC(O)H的与OH自由基反应的大气寿命分别为3.6年和2.6年。