Mechanism study on the reactions between biphenyl and HNO_2 initiated by 355 nm irradiation in aqueous phase

作     者：HUANG Li ZHANG RenXi GU DingHong LI Ping DONG WenBo HOU HuiQi 

作者机构：Institute of Environmental Science Fudan University Shanghai 200433 China Institute of Environmental Science Fudan University Shanghai 200433 China Institute of Environmental Science Fudan University Shanghai 200433 China Institute of Environmental Science Fudan University Shanghai 200433 China Institute of Environmental Science Fudan University Shanghai 200433 China Institute of Environmental Science Fudan University Shanghai 200433 China 

出 版 物：《Science China Chemistry》 (中国科学（化学英文版）)

年 卷 期：2007年第50卷第5期

页      面：700-706页

核心收录：

学科分类：07[理学] 08[工学] 

基　　金：Supported by the National Natural Science Foundation of China (Grant No. 20577006) the Research Fund of the Doctorate Program of High Education (Grant No. 20040246024) 

主　　题：biphenyl, nitrous acid, laser flash photolysis, Bp-OH adduct, nitrosobiphenol 

摘      要：The reactions taking place in the mixed solution of biphenyl and nitrous acidafter it was exposed to UV irradiation were studied in this research *** transient specieswere identified with the nanosecond transient spectroscopic technique,and the final products wereascertained by GC-MS *** was shown that the OH radical,generated by the direct photolysis ofnitrous acid,would attack biphenyl molecule to form Bp-OH adduct with a rate constant of 9.5x10^9 Lcentre dot mol^(-1) centre dot s^(-1).The Bp-OH adduct could either react with H+ or be oxidized bynitrous acid to form *** reactions between biphenyl and nitrous acid under UVirradiation in atmospheric aqueous phase were therefore suggested to be one promising source ofnitrocompounds in the environment.