Article (Scientific journals)
Application of Raman spectroscopy to forensic fibre cases
Lepot, Laurent; Gilbert, Bernard; De Wael, Kris et al.
2008In Science and Justice: Journal of the Forensic Science Society, 48 (3), p. 109-117
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Keywords :
Forensic science; Fibre examination; Casework; Raman spectroscopy; Textile dyes
Abstract :
[en] Five forensic fibre cases in which Raman spectroscopy proved to be a good confirmatory method for microspectrophotometry (MSP) are described. Absorption spectra in the visible range are indeed sometimes characteristic of a certain dye but this one can be subsequently identified unambiguously by Raman spectroscopy using a spectral library. In other cases the comparison of Raman spectra of reference fibres and suspect fibres led to an improvement of the discrimination power. The Raman measurements have been performed directly on mounted fibres and the spectra showed only little interference from the mounting resin and glass. Raman spectroscopy is therefore a powerful method that can be applied in routine fibre analysis following optical microscopy and MSP measurements.
Disciplines :
Chemistry
Author, co-author :
Lepot, Laurent ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie analytique et électrochimie
Gilbert, Bernard ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie analytique et électrochimie
De Wael, Kris;  Institut National de Criminalistique et de Criminologie > Criminalistique > Chimie analytique générale
Gason, Fabrice;  Institut National de Criminalistique et de Criminologie > Criminalistique > Chimie analytique générale
Language :
English
Title :
Application of Raman spectroscopy to forensic fibre cases
Publication date :
2008
Journal title :
Science and Justice: Journal of the Forensic Science Society
ISSN :
1355-0306
Publisher :
Forensic Science Society, Harrogate, United Kingdom
Volume :
48
Issue :
3
Pages :
109-117
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 17 September 2009

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