Herein, we reported our studies related to structural elucidation and gas-phase fragmentation patterns of the imidazolium and pyridinium based ionic liquids, using a positive ion electrospray ionization triple quadrupole mass spectrometry.Ionic liquids mainly imidazolium/ pyridinium/alkylammonium salts, possess properties due to which there are many applications from the point of view of green chemistry.The recorded mass spectral patterns are presented and possible pathways for fragmentations are suggested.The mass spectrum of tetrabutylammonium bromide and its fragmentation pattern is discussed since we used this compound as a template in the synthesis of ionic liquids.Our analysis also suggests possibilities of associations of ions in the form of C2A + species in vapour phase for the studied ionic liquids.
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Gupta et al. (2013) studied this question.