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 ...

The LCQ Fleet MS can be used with electrospray ionization or atmospheric pressure chemical ionization for analysis of positive or negative ions. LCQ Fleet MS can also be coupled to an Accela (Thermo ...

including electron ionization (EI), electrospray ionization (ESI), atmospheric pressure chemical ionization (APCI), and atmospheric pressure photo ionization (APPI). Tandem mass spectrometry (MS/MS or ...

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The use of a chromatographic separation technique (such as high pressure liquid chromatography) in line with a mass spectrometer has been the standard approach for quantitative LC-MS analysis since ...

High performance liquid chromatography (HPLC) and mass spectrometry (MS) A Thermo Scientific Ultimate 3000 HPLC interphase to a Q Exactive Focus Orbitrap-Quadrupole MS via electrospray ionization (ESI ...