Abstract
The feasibility of using thermospray liquid chromatography-mass spectrometry using water as chemical ionization (CI) reagent in discharge mode for molecular weight determination was demonstrated with two known thermally produced compounds. Subsequently, the method was used to determine the molecular weight of a third compound thermally produced in meats. The same molecular weight was obtained using pure water as CI reagent with discharge and a 0.1 M ammonium acetate solution without discharge. The molecular weight of 114 was confirmed by gas chromatography-mass spectrometry (GC-MS). An electron impact mass spectrum obtained by GC-MS matched a previously published spectrum for 4-hydroxy-5-methyl-3(2H)-furanone
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