spark (source) ionization
in mass spectrometry
Occurs when a solid sample is vaporized and partially ionized by an intermittent discharge.
It is recommended that the word 'source
' be dropped from this term.
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 1548