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Journal Article

Citation

Twibell JD, Home JM, Smalldon KW, Higgs DG. J. Forensic Sci. 1982; 27(4): 783-791.

Copyright

(Copyright © 1982, American Society for Testing and Materials, Publisher John Wiley and Sons)

DOI

unavailable

PMID

6816898

Abstract

The techniques of thin-layer chromatography, gas chromatography with electron capture detection, and gas chromatography/mass spectrometry were used to analyze hand swab extracts for the presence of nitroglycerine. Both the amount of nitroglycerine transferred to the hands after handling commercial explosives and its persistence were measured. Gas chromatography-electron capture detection was found to be the most accurate and sensitive technique for making such determinations, especially if the extract was partially purified by thin-layer chromatography prior to analysis. The lowest limit of detection was 10 ng of nitroglycerine, and residues could be detected over 20 h after handling the raw explosive.


Language: en

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