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题名: An experimental kinetic study and products research of the reactions of O-3 with a series of unsaturated alcohols
作者: Chen, Yi1, 2; Wang, Jing1, 2; Zhao, Sanping2; Tong, Shengrui1; Ge, Maofa1, 3, 4
关键词: (Z)-3-hexen-1-ol ; (Z)-3-hepten-1-ol ; (Z)-3-octen-1-ol ; Rate coefficients ; Gas-phase products ; Secondary organic aerosol
刊名: ATMOSPHERIC ENVIRONMENT
发表日期: 2016-11-01
卷: 145, 页:455-467
收录类别: SCI
英文摘要: The gas-phase reactions of unsaturated alcohols with O-3 were investigated in FEP Teflon film chamber at 298 K and 760 torr of atmosphere pressure. The rate constants of the reactions of C6-C8 alkenols with O-3 were determined using both the absolute and the relative rate method, and the measured values were (5.96 +/- 0.35) x 10(-17) cm(3) molecule(-1) s(-1) for (Z)-3-hexen-1-ol, (5.12 +/- 0.30) x 10(-17) cm(3) molecule(-1) s(-1) for (Z)-3-hepten-1-ol, and (5.66 +/- 0.52) x 10(-17) cm(3) molecule(-1) s(-1) for (Z)-3-octen-1-ol, respectively. The gas-phase products of these reactions mentioned above were detected using proton-transfer reaction mass spectrum (PTR-MS). HOCH2CH2CHO, CH2CH2CHO, HCHO and CH3CHO were identified as the main gas products for (Z)-3-hexen-1-ol. HOCH2CH2CHO and CH3(CH2)(2)CHO dominated the gaseous products for (Z)-3-hepten-1-ol. And for (Z)-3-octen-1-ol, CH3(CH2)(3)CHO, CH3(CH2)(2)CHO and HOCH2CH2CHO were the main gaseous products. The SOA yields were monitored at the same time, which were 0.184 +/- 0.013, 0.213 +/- 0.017, 0.232 +/- 0.021 for (Z)-3-hexen-1-ol, (Z)-3-hepten-1-ol and (Z)-3-octen-1-ol, respectively. The possible reaction mechanisms were proposed and discussed. The kinetic data presented here has been used to estimate their atmosphere lifetimes and the reaction reactivity. The atmosphere implication of these reactions has also been discussed. (C) 2016 Elsevier Ltd. All rights reserved.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35493
Appears in Collections:分子动态与稳态结构实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Chem, State Key Lab Struct Chem Unstable & Stable Speci, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Urban Environm, CAS Ctr Excellence Reg Atmospher Environm CERAE, Xiamen 361021, Peoples R China
4.State Key Lab NBC Protect Civilian, Beijing 102205, Peoples R China
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