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学科主题: 分析化学
题名: 小分子化合物在离子阱质谱中的分子离子反应研究
其他题名: Study on the Ion/Molecule Reactions of Low-Mass Compounds in the Ion Trap Mass Spectrometre
作者: 陈国强 ; 郭寅龙
通讯作者: 郭寅龙
刊名: 有机化学
发表日期: 2003-01-01
卷: 23, 期:9, 页:977-983
收录类别: SCI
部门归属: 中国科学院上海有机化学研究所分析化学实验室
摘要: 利用离子阱质谱的原理和特点,研究了小分子醇、醚、胺、醛、酮等有机化合物(分子量小于200)在离子阱里的分子 离子反应,总结了反应特点和规律,并把它归类为自身化学电离(SCl)反应.以丁酮、丙烯醇为例,采用FTMS对反应产物离 子进行准确质量测定,验证了它们各自的分子离子反应结果,另外,把该类化合物(30个)SCI反应的质谱团与NIST98库中 的标准EI质谱图进行了比较,建立了SCI质谱图库,提高了在离子阱质谱上对这类小分子化合物定性分析的准确率.
英文摘要: The ion/molecule reactions of low-mass compounds in the ion trap MS, such as alcohol, ether, amine, aldehyde, ketone and so on, were studied. The reaction characters and disciplinarians were summarized, which were described as self-chemical ionization (SCI) reactions. The products of the ion/molecule reaction of butanone and propenol were determined by FTMS. And the accurate massed of the product ions of butanone and propenol resulting from the ion/molecule reactions were obtained. The SCI spectra were compared with the standard EI spectra (NIST98), and the database of the SCI-MS was established. Therefore the identifications of these species of low-mass compounds on the ion trap MS can be made more accurate.
语种: 中文
内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/19842
Appears in Collections:分析化学研究室_期刊论文

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Recommended Citation:
陈国强,郭寅龙. 小分子化合物在离子阱质谱中的分子离子反应研究[J]. 有机化学,2003,23(9):977-983.
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