Esam M. A. Ali, Howell G. M. Edwards and Ian J. Scowen Raman spectroscopy and security applications: the detection of explosives and precursors on clothing Journal of Raman Spectroscopy 40
Confocal Raman microscopy has been applied to the detection of explosives and their precursors in situ on undyed natural and synthetic fibres as well as coloured textiles. Despite the presence of spectral bands arising from the natural and synthetic polymers and dyed textiles, the explosive substances could be identified by their characteristic Raman bands. Raman spectra of the explosives on clothing were readily obtained without sample preparation and with no alteration of the evidential material.
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