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四种溴代甲苯异构体的质谱区分

Mass Spectrometric Differentiation of Four Bromotoluenes Isomers

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【Author】 Qiu Fenghe, Liu Shuying (Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022) Lin Chui, Huang Chengyi, Zhang Fayi, Sun Hongwei (Central Laboratory of Nankai University)

【机构】中国科学院长春应用化学研究所；南开大学测试计算中心质谱组；南开大学测试计算中心质谱组长春 130022；长春 130022；

【摘要】本工作用四种较新的质谱技术(碰撞诱导解离(CID),电荷剥离(CS),电荷分离(CSe),电子捕获诱导解离(ECID)谱研究了邻、间、对溴甲苯和溴化苄四种异构体。四种技术在一定程度上都可区分这些异构体。其中比较四种异构体ECID谱中ECID峰的相对强度可得到满意的区分效果。更多还原

【Abstract】 Three bromotoluenes with identical normal E1 mass spectra and phenyl bromide were studied by using collision induced decomposition (CID) spectra, charge srripping (CS) spectra, charge separation (CSe) spectra and electron capture induced decomposition (ECID) spectra, respectively. These four isomers can be roughly differentiated by CID spectra, partially differentiated by CS and CSe spectra, and unambiguously differentiated by comparision of the relative intensities of ECID peaks in the ECID spectra.更多还原

【关键词】异构体；碰撞诱导解离；电荷剥离；电荷分离；电子捕获诱导解离；
【Key words】 Isomer； Collision induced decomposition； Charge stripping； Charge separation； Electron capture induced decomposition.；

【基金】国家自然科学基金

【文献出处】分析化学 ,Chinese Journal of Analytical Chemistry , 编辑部邮箱 ,1992年03期

【被引频次】2
【下载频次】66

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