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学科主题: 有机化学
题名: Exact Mass Measurements for a-Allenic Alcohol by Atmospheric Pressure Chemical Ionization/Time-of-Flight Mass Spectrometry
其他题名: a-丙二烯醇类化合物的大气压化学电离质谱的准确质量测定
作者: He P(何萍) ; Guo YL(郭寅龙) ; Chen GQ(陈国强) ; Xu DW(徐代旺) ; Ma SM(麻生明)
通讯作者: 郭寅龙 ; 麻生明
刊名: Chin. J. Chem.
发表日期: 2003-01-01
卷: 21, 期:8, 页:1080-1083
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
英文摘要: The atmospheric pressure chemical ionization/time-of-flight mass spectrometry(APCI/TOF-MS) was applied to determine the mass of five α-allenic alcohols via their protonated molecular ions using positive ion mode. Polyethylene glyclo (PEG) was used as the internal reference. All results were obtained under the resolution of about 5000 FWHM (full width at the half maximum). Solvent effects were studied and the satisfied results were obtained in acetonitrile. Compared with the theoretical values, all absolute arrors were less than 1.0 mmu. The effects of nozzle potential, push pulse potential, pull pulse potential, pull bias potential and acquisition rate on exact mass determinaion were also discussed. APCI/TOF-MS is proven to be a very senstitve analytical technique and an alternative ionization mode in analyzing thermally labile compounds with relatively weak polarity, such as α-allenic alcohol.
语种: 英语
相关网址: 查看原文
内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/11944
Appears in Collections:金属有机化学国家重点实验室_期刊论文

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Recommended Citation:
He P,Guo YL,Chen GQ,et al. Exact Mass Measurements for a-Allenic Alcohol by Atmospheric Pressure Chemical Ionization/Time-of-Flight Mass Spectrometry[J]. Chin. J. Chem.,2003,21(8):1080-1083.
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