Mass Spectroscopy
Inductively Coupled Plasma (ICP) Electron impact ionization (EI)-+ Ekin = zV = mv 2/2 V Ion optics 70eV – high energy electrons, molecular ion - very energetic, low/no abundance. 70V Volatilized compound is ionized by electron impact. An electron beam is generated by a accelerating the electrons from a heated filament through an applied voltage.
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