Quantitative Online Detection of Volatile and Non-Volatile Methanol Electrooxidation Products by Combined Electron Impact Mass Spectrometry and Electrospray Ionization Mass Spectrometry

2019 ◽  
Vol 35 (12) ◽  
pp. 9-19 ◽  
Author(s):  
Wei Zhao ◽  
Zenonas Jusys ◽  
Rolf Juergen Behm
Keyword(s):  
Mass Spectrometry ◽  
Electrospray Ionization ◽  
Electron Impact ◽  
Electrospray Ionization Mass Spectrometry ◽  
Ionization Mass Spectrometry ◽  
Ionization Mass ◽  
Electron Impact Mass Spectrometry ◽  
Online Detection ◽  
Electron Impact Mass ◽  
Impact Mass

scholarly journals Electron ionization mass spectrometry of difurfuryl diamines

2000 ◽  
Vol 14 (3) ◽  
pp. 109-114
Author(s):  
Alain Lesimple ◽  
Yves Le Bigot ◽  
Michel Delmas ◽  
Joseph Banoub
Keyword(s):  
Mass Spectrometry ◽  
Electron Ionization Mass Spectrometry ◽  
Ionization Mass Spectrometry ◽  
Ionization Mass ◽  
Electron Impact Mass Spectrometry ◽  
Homolytic Cleavage ◽  
Molecular Radical ◽  
Electron Impact Mass ◽  
Impact Mass

Electron impact mass spectrometry (ei-ms) has aided the structural characterization of a novel series of synthetic difuranic diamines and permitted the comparison with a previous study employing electrospray ionization mass spectrometry. As expected, the molecular radical ion was inexistant in this series of compounds and the fragmentation routes of the molecular radical ion were governed either by homolytic cleavage of the radical R2•or by heterolytic loss of NH3to give their respective base peaks.

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