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High‐pressure collisional activation mass spectrometry of aromatic halides
Author(s) -
Blom Karl,
Munson Burnaby
Publication year - 1987
Publication title -
organic mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.475
H-Index - 121
eISSN - 1096-9888
pISSN - 0030-493X
DOI - 10.1002/oms.1210221106
Subject(s) - chemistry , mass spectrum , halide , dissociation (chemistry) , mass spectrometry , methane , collision induced dissociation , ion , chemical ionization , reagent , protonation , hydrogen , hydrogen halide , analytical chemistry (journal) , photochemistry , ionization , tandem mass spectrometry , inorganic chemistry , organic chemistry , halogen , alkyl , chromatography
The high‐pressure collisional activation mass spectra with methane as the reagent/collision gas are reported for five aromatic halides. The major decomposition of the protonated aromatic halides is hydrogen halide elimination. The energy‐resolved mass spectra and the chemical reactivities of fragment ions with the methane collision gas are used to establish dissociation pathways and structures of fragment ions. The high‐pressure collisional activation mass spectra are compared with conventional collisionally induced dissociation and chemical ionization mass spectra.