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Analysis of triacetone triperoxide complexes with alkali metal ions by electrospray and extractive electrospray ionisation combined with ion mobility spectrometry and mass spectrometry
journal contributionposted on 05.11.2015 by Alexander R. Hill, Mark Edgar, Maria Chatzigeorgiou, Jim Reynolds, Paul Kelly, Colin Creaser
Any type of content formally published in an academic journal, usually following a peer-review process.
The complexation of triacetone triperoxide (TATP) with a range of alkali metals has been studied by electrospray ionisation-mass spectrometry yield [M+Cat]+ ions for all of the alkali metals. The formation of [2TATP+Li+LiX]+ (X = Br, Cl) sandwich complexes was also observed. Collision cross-sections for the lithium-containing complexes of TATP were measured by travelling wave ion mobility spectrometry mass spectrometry, and compared well with computationally determined structures. Extractive electrospray ionisation (EESI) using a lithium doped electrospray is demonstrated for the detection of TATP vapours desorbed from a metal surface. The limit of detection for EESI was shown to be 20 ng using the [TATP+Li]+ ion.