Atmospheric chemistry of cis-CF3CH=CHF: Kinetics of reactions with OH radicals and O-3 and products of OH radical initiated oxidation

Nilsson EJK; Nielsen OJ; Johnson MS; Hurley MD; Wallington TJ

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Atmospheric chemistry of cis-CF3CH=CHF: Kinetics of reactions with OH radicals and O-3 and products of OH radical initiated oxidation

机译：顺式-CF3CH = CHF的大气化学：与OH自由基和O-3的反应动力学以及OH自由基引发的氧化产物

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Long path length FTIR-smog chamber techniques were used to measure k(OH + cis-CF3CH=CHF) = (1.20 +/- 0.14) x 10 (12) and k(O-3 + cis-CF3CH=CHF) = (1.65 +/- 0.16) x 10 (21) cm(3) molecule (1) s (1) in 700 Torr of N-2/O-2 diluent at 296 K. The OH initiated oxidation of cis-CF3CH=CHF gives CF3CHO and HCOF in molar yields which are indistinguishable from 100%. The atmospheric lifetime of cis-CF3CH=CHF is determined by its reaction with OH and is approximately 10 days. cis-CF3CH=CHF has an integrated IR absorption cross section (600-2000 cm (1)) of (1.71 +/- 0.09) x 10 (16) cm molecule (1) and a global warming potential of approximately 3 (100 year time horizon). Quoted uncertainties reflect two standard deviations from least squares regression analyses. (c) 2009 Elsevier B.V. All rights reserved.

机译：长路径长度FTIR烟雾室技术用于测量k（OH +顺式CF3CH = CHF）=（1.20 +/- 0.14）x 10（12）和k（O-3 +顺式CF3CH = CHF）=（ 1.65 +/- 0.16）x 10（21）cm（3）分子（1）s（1）在296 K的700托N-2 / O-2稀释剂中.OH引发的顺式CF3CH = CHF氧化CF3CHO和HCOF的摩尔产率与100％几乎没有区别。顺式-CF3CH = CHF的大气寿命由其与OH的反应确定，约为10天。 cis-CF3CH = CHF具有（1.71 +/- 0.09）x 10（16）cm分子（1）的积分IR吸收截面（600-2000 cm（1））和大约3（100年）的全球变暖潜力时间范围）。引用的不确定性反映了最小二乘回归分析的两个标准偏差。（c）2009 Elsevier B.V.保留所有权利。

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《Chemical Physics Letters》 |2009年第6期|共5页
作者
Nilsson EJK; Nielsen OJ; Johnson MS; Hurley MD; Wallington TJ;
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GAS-PHASE REACTIONS; CL ATOMS; HYDROXYL RADICALS; RATE CONSTANTS; CHLORINE; TRANS-CF3CH=CHF; REPLACEMENTS; MECHANISMS; OZONE;

机译：气相反应;CL原子;羟基自由基;速率常数;氯;TRANS-CF3CH = CHF;取代基;机理;臭氧;

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1. Atmospheric chemistry of cis-CF3CH=CHF: Kinetics of reactions with OH radicals and O-3 and products of OH radical initiated oxidation [J] . Nilsson EJK, Nielsen OJ, Johnson MS, Chemical Physics Letters . 2009,第4a6期

机译：顺式-CF3CH = CHF的大气化学：与OH自由基和O-3的反应动力学以及OH自由基引发的氧化产物
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4. Thermochemistry and kinetic modeling for OH addition to ethylene and propene and subsequent hydroxyethyl radical + O_2 reactions in atmospheric chemistry. [C] . Suarwee Snitsiriwat, Gabriel da Silva, Joseph W. Bozzelli Meeting of the Eastern States Section of the Combustion Institute . 2009

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机译：反式CF3CH = CHF的大气化学：羟基自由基和氯原子引发氧化的产物和机理

Atmospheric chemistry of cis-CF3CH=CHF: Kinetics of reactions with OH radicals and O-3 and products of OH radical initiated oxidation

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