Capability of Far-Infrared for the selective identification of red and black pigments in paint layers

P Giménez,A Linares, C Sessa,H Bagán,J F García

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy（2022）

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摘要

•Some inorganic pigments (oxides) change their absorption band position when mixed with oil.•Detection limits are high for some pigments in oil mixtures and change when applied to canvas.•Aging of the paint layers produces changes in the carboxylate bands.

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关键词

Far IR,Pigments,ATR,Spectra Stability,Paintings

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