Abstract:
:In the course of providing assistance to legal counsel in a matter that involved the analysis of firearms propellant by gas chromatography/mass spectrometry it was noticed that phenoxazine was reported as a component of 0.22 calibre propellant that contained diphenylamine as the stabiliser. The research was conducted to find how phenoxazine was formed. The results showed that the compound was not phenoxazine but a diphenylamine derivative 4-(phenylimino) cyclohexa-2,5-dien-1-one that formed in the injection port of the gas chromatograph. In addition a second artefact was found to form in the ion source of the mass spectrometer. While the presence of the artefacts does not affect the ability to identify particles as propellant they may impact on comparison with source ammunition.
journal_name
Forensic Sci Intjournal_title
Forensic science internationalauthors
Pigou P,Dennison GH,Johnston M,Kobus Hdoi
10.1016/j.forsciint.2017.08.013subject
Has Abstractpub_date
2017-10-01 00:00:00pages
140-147eissn
0379-0738issn
1872-6283pii
S0379-0738(17)30312-2journal_volume
279pub_type
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