A photoionization mass spectrometer utilizing a high intensity molecular beam sampling system and synchrotron radiation

1973 ◽  
Vol 44 (11) ◽  
pp. 1578-1583 ◽  
Author(s):  
Gary R. Parr ◽  
James W. Taylor
Keyword(s):  
Synchrotron Radiation ◽  
Mass Spectrometer ◽  
High Intensity ◽  
Molecular Beam ◽  
Sampling System

Mass Spectrometric Observation of Polymers of Carbon Dioxide in a Molecular Beam System

1965 ◽  
Vol 19 (1) ◽  
pp. 18-21 ◽  
Author(s):  
J. Cuthbert ◽  
E. R. Preece ◽  
A. H. Turnbull
Keyword(s):  
Carbon Dioxide ◽  
Mass Spectrometer ◽  
Molecular Beam ◽  
Mass Spectrometric ◽  
Sampling System ◽  
Gas Sampling ◽  
Isentropic Expansion ◽  
Sampling Process ◽  
Beam System

The operation of a mass spectrometer equipped with a molecular beam gas sampling system is described. Polymeric ions, (CO2)n+ where n varies from two to twelve, are observed when sampling CO2 at 1 to 6.5 atm; similar polymers are found in SO2 and N2O. A possible explanation is advanced in terms of isentropic expansion in the sampling process and subsequent condensation.

High Intensity Molecular Beam Apparatus

1963 ◽  
Vol 34 (1) ◽  
pp. 96-100 ◽  
Author(s):  
J. Deckers ◽  
J. B. Fenn
Keyword(s):  
High Intensity ◽  
Molecular Beam
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