期刊
JOURNAL OF RAMAN SPECTROSCOPY
卷 -, 期 -, 页码 -出版社
WILEY
DOI: 10.1002/jrs.6487
关键词
archaeometry; art analysis; dispersive near-infrared Raman spectroscopy; ivory identification; mobile Raman instrumentation
类别
资金
- University Macau Chair in Sustainable Heritage
- Portuguese Foundation for Science and Technology [DL 57/2016/CP1372/CT0012, UIDP/04449/2020, UIDB/04449/2020]
- City University Macau Chair in Sustainable Heritage
- Instituto da Conservacao da Natureza e das Florestas (ICNF)
In this study, a mobile fibre-optics Raman spectrometer was used for the direct analysis of ivory artefacts. This approach enables fast and reliable analysis of this material, without the need to move the artefact to the laboratory, and helps to combat illegal trade.
Raman spectroscopy has been applied to the nondestructive study of ivory artefacts. Molecular Raman spectra of this material have been recorded previously using Fourier-transform Raman spectroscopy (1064-nm excitation), and attempts were made to differentiate between species of different origin. However, few attempts have been made to examine this interesting material using dispersive Raman spectroscopy, as when using shorter wavelength excitation, the fluorescence background signal tends to overwhelm the Raman signal. In this study, however, a mobile fibre-optics Raman spectrometer, equipped with 1064-nm excitation and an InGaAs detector, was used for the direct analysis of ivory artefacts. This approach opens opportunities for the fast and reliable analysis of this material, without the need to move the artefact to the laboratory, helping to act against the illegal trade of this endangered biomaterial.
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