The uptake of ethyl iodide on black carbon surface

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

机构地区：[1]State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Beijing National Laboratory for Molecular Sciences(BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China

出　　处：《Chinese Science Bulletin》索引2008年第53卷第5期,共6页

基　　金：Supported by 973 Program of Ministry of Science and Technology of China (Grant No. 2006CB403701);Knowledge Innovation Program of the Chinese Academy of Sciences (Grant No. KZCX2-YW-205);Hundred Talents Fund, and the National Natural Science Foundation of China (Grant Nos. 20577052, 20673123, 20473094 and 20503035) 摘　　要：The importance of the iodine chemistry in the atmosphere has been demonstrated by recent observa- tions. The uptake of ethyl iodine on black carbon surface was investigated at 298 K for the first time. Degussa FW2 (an amorphous black carbon comprising medium oxides) was used as black carbon sample. Black carbon surface was found to be deactivated in reaction with C_2H_5I, and the uptake coef- ficient (γ ) was dependent on the time of exposure. The value of (2.3±0.9)×10^(-2) was determined for the initial uptake coefficient (γ0). The result suggests that the heterogeneous loss of C_2H_5I on carbonaceous aerosols may be important under the atmospheric conditions. 关键词：乙基碘炭黑吸收非均匀过程大气化学

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The uptake of ethyl iodide on black carbon surface

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