1977•Journal of AOAC INTERNATIONALRequires access

Electron Impact and Chemical Ionization Mass Spectrometry of Some Butyrophenones

J.G. Leferink, R. A. A. Maes

Abstract

The mass spectra of some butyrophenones are presented. Electron impact ionization and chemical ionization with isobutane as the reagent gas are compared. The chemical ionization spectra show the quasi molecular ion (M + H)+ to be the most abundant ion. Important fragments in the electron impact spectra are discussed for easy determination of other similar compounds.

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Key concepts: Electron ionization, Chemical ionization, Isobutane, Mass spectrum, Mass spectrometry, Chemistry, Ionization, Atmospheric-pressure laser ionization