Rate constants of the gas-phase reactions of CH3OOH with O3 and NOx at 293 K
Rate constants of the gas-phase reactions of CH3OOH with O3 and NOx at 293 K
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DOI：
10.1016/j.cplett.2006.04.026
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发表时间：
2006-06-24
影响因子：
2.8
通讯作者：
Wang, Caixia
中科院分区：
文献类型：
--
作者：
Chen, Zhongming;Wang, Caixia
用长光程傅里叶变换红外光谱法（LP FTIR）测定了（293 +/- 2）K下甲基过氧化氢（MHP，CH 3 OOH）与O-3、NO2和NO反应的速率系数。系数为k（MHP+ O_3）=（7.3 ± 0.1）× 10 ~（-21），k（MHP+ NO_2）=（9.6 ± 1.3）× 10 ~（-21），k（MHP+NO）< 8.6 × 10 ~（-22）cm ~（3）molecule ~（-1）s ~（-1）。随机误差为+/-2 sigma。MHP与O-3和NO2反应的大气寿命估计分别为3.5年和2.6年。最后，在MHP的大气衰变化学及其环境影响的背景下，讨论了结果。(c)2006 Elsevier B. V.保留所有权利。
Using the long-path technique of Fourier transform infrared (LP FTIR) spectrometry, the rate coefficients of methyl hydroperoxide (MHP, CH3OOH) reactions with O-3, NO2 and NO at (293 +/- 2) K have been determined. The coefficients are k(MHP+O3) = (7.3 +/- 0.1) x 10(-21), k(MHP+NO2) = (9.6 +/- 1.3) x 10(-21) and k(MHP+NO) < 8.6 x 10(-22) cm(3) molecule(-1) s(-1). Random errors are +/- 2 sigma. The atmospheric lifetimes of MHP with respect to reactions with O-3 and NO2 were estimated at 3.5 and 2.6 years, respectively. Finally, the results are discussed within the context of the atmospheric decay chemistry of MHP and its environmental impact. (c) 2006 Elsevier B.V. All rights reserved.