Abstract
FAB spectra have been obtained from several organic diammonium salts. The free dication was observed in only one case. Solid samples of the salts did not yield simply interpretable data. Mass spectra of the salts from a glycerol or glycerol/inorganic salt matrix exhibit several cation and anion related peaks as well as numerous singly charged fragment ions corresponding to charge separation, dealkylation, and elimination reactions accompanied by hydrogen transfer. These results point to low energy desorption pathways of preformed ions from immobile solid phases and mobile, concentrated liquid or high pressure gas phases.
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