Notizen: Fast Pulsed Laser Induced Electron Generation for Electron Impact Mass Spectrometry

1988 ◽  
Vol 43 (12) ◽  
pp. 1151-1153 ◽  
Author(s):  
E. R. Rohwer ◽  
R.C. Beavis ◽  
C. Köster ◽  
J. Lindner ◽  
J. Grotemeyer ◽  
...  
Keyword(s):  
Electron Impact ◽  
Mass Spectra ◽  
Ion Source ◽  
Electron Impact Mass Spectrometry ◽  
Uv Laser ◽  
Electron Generation ◽  
Medium Resolution ◽  
Electron Impact Mass ◽  
Impact Mass ◽  
Tof Ms

A new ultra fast electron impact (El) ion source is pre­sented that produces a very short, high intensity electron beam, allowing medium resolution mass spectra to be re­corded without pulsing the ion accelerating voltages in a time-of-flight mass spectrometer (TOF-MS). The ion source requires minimum modification of any TOF-MS equipped with an electrostatic ion reflector and UV-laser. El-spectra are presented for comparison with literature spectra.

scholarly journals Electron impact mass spectrometry of some thienopyrimidone derivatives

1998 ◽  
Vol 14 (1) ◽  
pp. 29-33
Author(s):  
Renata C. de Oliveira ◽  
Antonio C. C. Freitas ◽  
José G. de Lima
Keyword(s):  
Mass Spectrometry ◽  
Electron Impact ◽  
Mass Spectra ◽  
Electron Impact Mass Spectrometry ◽  
Electron Impact Mass ◽  
Impact Mass

The electron impact mass spectra of some previously synthesized thienopyrimidones have been recorded and the identity of various ions in the mass spectra established.

scholarly journals Electron impact mass spectrometry of N-(2-methylpropyl)-3-(o-,m- andp-R-phenyl)-2-propenamidesl

1994 ◽  
Vol 12 (1) ◽  
pp. 9-20
Author(s):  
Roberto Martinez ◽  
Luis Velasco ◽  
Lino Reyes T. ◽  
Rocio Pozas H. ◽  
Javier A. Carballo P. ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Electron Impact ◽  
Mass Spectra ◽  
Electron Impact Mass Spectrometry ◽  
Electron Impact Mass ◽  
Impact Mass

The major features of the mass spectra of eleven substituted 3-phenyl-2-propenamides of potential phannacologica1 interest are reported.

An unusual HgCl rearrangement in electron impact mass spectrometry of some halomercurioalkyl derivatives

1990 ◽  
Vol 27 (5) ◽  
pp. 1293-1295 ◽  
Author(s):  
Elena Ghezzo ◽  
Alberto Sturaro ◽  
Pietro Traldi ◽  
Pierfrancesco Bravo ◽  
Fiorenza Viani
Keyword(s):  
Mass Spectrometry ◽  
Electron Impact ◽  
Electron Impact Mass Spectrometry ◽  
Electron Impact Mass ◽  
Impact Mass

Electron impact mass spectrometry of hemiterpenoid tricyclic quinoline alkaloids

1987 ◽  
Vol 22 (7) ◽  
pp. 462-467 ◽  
Author(s):  
Alberto Sturaro ◽  
Pietro Traldi ◽  
Pierfrancesco Bravo ◽  
Fiorenza Viani ◽  
Giuseppe Resnati
Keyword(s):  
Mass Spectrometry ◽  
Electron Impact ◽  
Electron Impact Mass Spectrometry ◽  
Quinoline Alkaloids ◽  
Electron Impact Mass ◽  
Impact Mass
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