High pressure chemical ionization source with coaxial electron entrance and ion extraction apertures

1980 ◽  
Vol 52 (2) ◽  
pp. 325-329 ◽  
Author(s):  
Andreas J. Illies ◽  
G. G. Meisels
2008 ◽  
Vol 80 (8) ◽  
pp. 2646-2653 ◽  
Author(s):  
Francisco J. Andrade ◽  
Jacob T. Shelley ◽  
William C. Wetzel ◽  
Michael R. Webb ◽  
Gerardo Gamez ◽  
...  

2004 ◽  
Vol 76 (22) ◽  
pp. 6659-6664 ◽  
Author(s):  
Pekka Östman ◽  
Seppo J. Marttila ◽  
Tapio Kotiaho ◽  
Sami Franssila ◽  
Risto Kostiainen

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