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Analyzers, electron energy sample position

Electron ionization sources produce constant ion beams of about 10 8 A with low initial energy spread. The ion current measured depends strongly on the ionization degree of the gas analyzed (type of atoms and molecules). Positive ions and electrons are formed by the interaction of electrons of sufficient energy with gas atoms or molecules. The ion current /+ is proportional to the pressure (p) of the gaseous sample, to the electron current /e, the length (/) of the collision chamber and the differential ionization (s) of elements as a function of the ionization energy ... [Pg.65]

See other pages where Analyzers, electron energy sample position is mentioned: [Pg.325]    [Pg.35]    [Pg.366]    [Pg.310]    [Pg.4]    [Pg.73]    [Pg.423]    [Pg.220]    [Pg.243]    [Pg.23]    [Pg.36]    [Pg.165]    [Pg.1572]    [Pg.212]    [Pg.885]    [Pg.232]    [Pg.18]    [Pg.1009]    [Pg.255]    [Pg.121]    [Pg.203]    [Pg.255]    [Pg.312]    [Pg.68]    [Pg.98]    [Pg.42]    [Pg.261]    [Pg.163]    [Pg.616]    [Pg.468]    [Pg.280]    [Pg.491]    [Pg.37]    [Pg.564]    [Pg.499]    [Pg.990]    [Pg.1003]    [Pg.59]    [Pg.85]    [Pg.190]    [Pg.103]    [Pg.175]    [Pg.287]    [Pg.380]    [Pg.11]    [Pg.233]    [Pg.367]    [Pg.62]    [Pg.835]    [Pg.51]   
See also in sourсe #XX -- [ Pg.68 , Pg.98 , Pg.165 ]



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