Discrimination of Structural Isomers of Aromatic Compounds with EI Mass Spectra and Their Ionization Efficiency Curves of Dehydrogenated Fragment Ions  

作　　者：Zeper ABLIZ Li Jun LI Teruo KAN and Toyotoshi UEDA(Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050Tokyo Metropolitan Research Laboratory of Public Health, Shinjuku-ku, Tokyo 160, JapanDepa 

出　　处：《Chinese Chemical Letters》1998年第10期961-964,共4页中国化学快报（英文版）

摘　　要：The mechanism of ionization and fragmentation for terphenyl (diphenylbenzene) with three structural ring isomers (ortho-, meta- and para-), and stilbene (1,2-diphenylethylene) with two geometrical isomers (trans- and cis-) by EI mass spectrometry and ionization efficiency curves are investigation.The mechanism of ionization and fragmentation for terphenyl (diphenylbenzene) with three structural ring isomers (ortho-, meta- and para-), and stilbene (1,2-diphenylethylene) with two geometrical isomers (trans- and cis-) by EI mass spectrometry and ionization efficiency curves are investigation.

关 键 词：terphenyl and stilbene EI mass spectrometry ionization efficiency curve overcrowding effect fragmentation mechanism 

分 类 号：O625[理学—有机化学]