Waters Autospec Premier - Electron Impact (EI) Ionization

Ionization techniques G-1
G Theory and principles of
operation
This appendix gives a brief overview of the theory and principles of
operation of the instrument.
Ionization techniques
Electron Impact (EI) ionization
Electron impact is the classical ionization technique in which gas phase
sample molecules are ionized in collisions with high energy electrons produced
by a heated filament. You can fragment the ionized molecules by this
mechanism, producing spectral information.
Contents
Topic Page
Ionization techniques G-1
AutoSpec functionality G-2