Journal article
Forensic analysis of architectural finishes using Fourier transform infrared and Raman spectroscopy, Part I: The resin bases
Applied Spectroscopy, Vol.59(11), pp.1333-1339
2005
Abstract
The ability of Raman spectroscopy and Fourier transform infrared (FT-IR) microscopy to discriminate between resins used for the manufacture of architectural finishes was examined in a study of 39 samples taken from a commercial resin library. Both Raman and FT-IR were able to discriminate between different types of resin and both split the samples into several groups (six for FT-IR, six for Raman), each of which gave similar, but not identical, spectra. In addition, three resins gave unique Raman spectra (four in FT-IR). However, approximately half the library comprised samples that were sufficiently similar that they fell into a single large group, whether classified using FT-IR or Raman, although the remaining samples fell into much smaller groups. Further sub-division of the FT-IR groups was not possible because the experimental uncertainty was of similar magnitude to the within-group variation. In contrast, Raman spectroscopy was able to further discriminate between resins that fell within the same groups because the differences in the relative band intensities of the resins, although small, were larger than the experimental uncertainty.
Details
- Title
- Forensic analysis of architectural finishes using Fourier transform infrared and Raman spectroscopy, Part I: The resin bases
- Authors/Creators
- S.E.J. Bell (Author/Creator) - Queen's University BelfastL.A. Fido (Author/Creator) - Queen's University BelfastS.J. Speers (Author/Creator) - Queen's University BelfastW.J. Armstrong (Author/Creator) - Queen's University BelfastS. Spratt (Author/Creator) - Queen's University Belfast
- Publication Details
- Applied Spectroscopy, Vol.59(11), pp.1333-1339
- Publisher
- SAGE Publications
- Identifiers
- 991005542197607891
- Copyright
- © 2005 Society for Applied Spectroscopy
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 2 Chemistry
- 2.244 Chemometrics
- 2.244.1784 Forensic Spectroscopy
- Web Of Science research areas
- Instruments & Instrumentation
- Spectroscopy
- ESI research areas
- Chemistry