electron impact ionization [obsolete][obsolete]

in mass spectrometry
https://doi.org/10.1351/goldbook.E01998
See:
electron ionization
Source:
PAC, 1991, 63, 1541. (Recommendations for nomenclature and symbolism for mass spectroscopy (including an appendix of terms used in vacuum technology). (Recommendations 1991)) on page 1547 [Terms] [Paper]