Selective fragmentation and ionization of organic compounds using an energy-tunable rare-gas metastable beam source

摘要: The initial use of an energy-tunable rare-gas metastable beam source generated by a corona discharge as ionization for mass spectrometry is reported. atom produced external to the ion and its excitation energy controlled rare gas which employed. can be used routinely provides sensitivities same order those obtained electron impact. Preliminary results involving analysis aromatic aliphatic compounds with four different beams (krypton, argon, neon helium) are presented in show tunable fragmentation selective capabilities source. Thus, this gain fundamental information on physical properties polyatomic molecules well Penning process itself, analytical-type applications such encountered LC-MS desorption-ionization. Overall, support potential new tool wide range spectral experiments.