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RATIONALEIn saccharide analysis by gas chromatography/mass spectrometry (GC/MS), electron ionization (EI) is used almost exclusively, whereas other gentler methods of ionization are rarely used. Field ionization (FI) is recognized as a GC/MS ionization method that causes fewer fragment ions, but only few studies are available on its use in saccharide analysis.
METHODSTo evaluate the usefulness of...
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