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Atmospheric Initiated Oxidation of Short Chain Aliphatic Ethers
Chemical Physics Letters ( IF 2.8 ) Pub Date : 2019-02-13 , DOI: 10.1016/j.cplett.2019.01.054
Jianqiang Zhu , Narcisse T. Tsona , Abdelwahid Mellouki , Lin Du

The reactions of two selected ethers, methyl n-butyl ether (MnBE) and methyl s-butyl ether (MsBE), with three atmospheric oxidants (OH/NO3/Cl) have been investigated at 298 ± 2 K using the relative rate method and gas chromatography-mass spectrometry. The reaction trends of these short chain aliphatic ethers with the different oxidants have been discussed. From the obtained results, the reaction with OH is the main tropospheric loss process for MnBE and MsBE, with lifetimes of 19.2 h and 26.8 h, respectively. These short lifetimes indicate that the chemistry of these aliphatic ethers is important in areas close to their emission sources.



中文翻译:

短链脂肪醚的大气引发氧化

使用相对速率法研究了两种选择的醚甲基正丁醚(MnBE)和甲基仲丁基醚(MsBE)与三种大气氧化剂(OH / NO 3 / Cl)的反应和气相色谱-质谱法。已经讨论了这些短链脂族醚与不同氧化剂的反应趋势。从获得的结果来看,与OH的反应是MnBE和MsBE的主要对流层损失过程,其寿命分别为19.2 h和26.8 h。这些短寿命表明这些脂族醚的化学性质在靠近其排放源的区域中很重要。

更新日期:2019-02-14
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