Steven E. J. Bell, Samantha P. Stewart, Yen Cheng Ho, Brian W. Craythorne and S. James Speers Comparison of the discriminating power of Raman and surface-enhanced Raman spectroscopy with established techniques for the examination of liquid and gel inks Journal of Raman Spectroscopy 44
A population study of blue and black liquid/gel inks comparing Raman methods with video spectral comparison and thin layer chromatography has showed that the discrimination power of Raman is similar to that of the established methods. This, combined with the convenience of Raman measurements, demonstrates that there is significant benefit in incorporating Raman methods early in document examination procedures.
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