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Trace analysis of explosives in hand swab extracts using amberlite xad 7 porous polymer beads silica capillary column gas chromatography with electron capture detection and thin layer chromatography


Trace analysis of explosives in hand swab extracts using amberlite xad 7 porous polymer beads silica capillary column gas chromatography with electron capture detection and thin layer chromatography



Journal of Chromatography 234(2): 415-426



ISSN/ISBN: 0021-9673

A general method for detecting traces of explosives at the low nanogram level in handswab extracts was described. The method involved a preliminary clean-up using Amberlite XAD-7 porous polymer beads to remove interfering lipid material, followed by detection of explosives in the concentrated extracts by capillary column gas chromatography with electron-capture detection. A method for confirming the presence of explosives in the extracts using TLC was also described. Other applications include detection of explosives in body fluids and environmental samples, of post-explosion residues and of firearms residues on hands.

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Accession: 006819650

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