b. Atmospheric Pressure Chemical Ionization (APCI): APCI is similar to ESI in the way samples are introduced and the type of ions formed (protonated or deprotonated molecules). It is not as soft a ...
including electron ionization (EI), electrospray ionization (ESI), atmospheric pressure chemical ionization (APCI), and atmospheric pressure photo ionization (APPI). Tandem mass spectrometry (MS/MS or ...
with electrospray ionization (ESI), atmospheric pressure photoionization (APPI), and atmospheric pressure chemical ioniaztion (APCI) sources Varian CP-3800 gas chromatograph coupled to a Varian Saturn ...