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Exploring Rapid, Sensitive and Reliable Detection of Trace Explosives Using Paper Spray Mass Spectrometry (PS‐MS)
Author(s) -
Costa Catia,
van Es Elsje M.,
Sears Patrick,
Bunch Josephine,
Palitsin Vladimir,
Mosegaard Kirsten,
Bailey Melanie J.
Publication year - 2019
Publication title -
propellants, explosives, pyrotechnics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.56
H-Index - 65
eISSN - 1521-4087
pISSN - 0721-3115
DOI - 10.1002/prep.201800320
Subject(s) - explosive material , analyte , picric acid , detection limit , chromatography , mass spectrometry , chemistry , analytical chemistry (journal) , materials science , organic chemistry
In this publication we work towards providing fast, sensitive and selective analysis of explosive compounds collected on swabs using paper spray mass spectrometry. We have (a) increased the size of the paper spray substrate to 1.6×2.1 cm for compatibility with current practise in swabbing for explosive material; (b) developed a method for determining a successful extraction of analyte from the substrate to reduce false negative events; and (c) expanded the range of analytes that can be detected using paper spray to include the peroxide explosive HMTD, as well as nitroglycerine (NG), picric acid (PA) and tetryl. We report the development of a 30 s method for the simultaneous detection of 7 different explosive materials using PS‐MS with detection limits below 25 pg, as well as detection of HMTD at 2500 pg, showing an improvement on previously published work.

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