Uptake of gas-phase alkylamines by sulfuric acid

查看全文 作　　者：YIN Shi GE MaoFa WANG WeiGang LIU Ze WANG [1]DianXun

机构地区：[1]Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute ofChemistry, Chinese Academy of Sciences, Beijing 100190, China

出　　处：《Chinese Science Bulletin》索引2011年第56卷第12期,共5页

基　　金：supported by the Knowledge Innovation Program (KJCX2-YW-N24 and KZCX2-YW-205) of the Chinese Academy of Sciences;the National Basic Research Program of China (2006CB403701);the National Natural Science Foundation of China (40830101 and 40925016) 摘　　要：Recent field and experimental studies have suggested that acid-base reactions of alkylamines may play an important role in secondary aerosol formation. We investigated the heterogeneous chemistry of ethylamine (EA), diethylamine (DEA) and triethylamine (TEA) on liquid H2SO4 (1 wt%–80 wt%). Irreversible reactive uptakes were observed for all three alkylamines. The reactive uptake coefficients (γ ) of alkylamines increased with the acid concentration, and the γ value for DEA appeared to increase slightly faster than that of EA and TEA. The potential roles in secondary aerosol formation of different alkylamines are briefly discussed. 关键词：烷基胺吸收硫酸气相酸碱反应摄取系数 TEA 三乙基胺

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Uptake of gas-phase alkylamines by sulfuric acid

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