Abstract
A 1 : 1 (v/v) mixture of m-nitrobenzyl alcohol (m-NBA) and 2,2'-dithiodiethanol (DTDE, HOCH2CH2SSCH2CH2OH) was applied as a new matrix system to FAB mass spectra of prenylated- and geranylated-phenolic compounds, with which the matrix was relatively involatile and durable for a long period of time. This resulted in the good reproducibility of the FAB spectra. The FAB spectra were compared with the corresponding EI and CI mass spectra. The FAB spectra gave the intense molecular ions M+· and the fragment ions.
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