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Anuradha Pallipurath, Jonathan Skelton, Paola Ricciardi, Spike Bucklow and Stephen Elliott Multivariate analysis of combined Raman and fibre-optic reflectance spectra for the identification of binder materials in simulated medieval paints Journal of Raman Spectroscopy 44

Version of Record online: 2 APR 2013 | DOI: 10.1002/jrs.4291

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Fourier transform-Raman analysis of medieval pigment–binder compositions helps minimise problems with fluorescence from organic binding media. Principal-component analysis of these Raman spectra enables assisted classification of unknown spectra of only oil-based paints effectively. Augmenting the Raman data with fibre-optic reflectance spectra (FORS spectra) additionally allowed extension of the classification to proteinaceious and polysaccharide-based binding media, which have been previously proven difficult to classify in this manner.

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