Eugenia P. Tomasini, Emilia B. Halac, María Reinoso, Emiliano J. Di Liscia and Marta S. Maier Micro-Raman spectroscopy of carbon-based black pigments Journal of Raman Spectroscopy 43
Carbon-based black pigments are a wide group of dark-colored materials. In this work, reference carbon-based pigments were studied by micro-Raman spectroscopy. All pigments showed the characteristic bands at approximately 1580 and 1350 cm−1; however, a clear difference in position, width, and relative intensity could be observed for most of the samples. Micro-Raman spectroscopy allowed the discrimination of most of the reference pigments and the identification of carbon-based black pigments in two South American colonial paintings dated from the early 18th century.
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