In the present work we characterized samples of plasters and pictorial layers taken from a fresco in the Acireale Cathedral. The fresco represents the Coronation of Saint Venera, patron saint of this Ionian town. By performing a detailed spectroscopic analysis of the plaster preparation layer by Fourier-transform infrared sFTIRd spectroscopy and x-ray diffraction sXRDd, and of the painting layer by FTIR and confocal Raman microspectroscopy, scanning electron microscopy +energy dispersive x-ray spectroscopy, and XRD, we were able to identify the pigments and the binders present. In particular, Raman investigation was crucial to the characterization of the pigments thanks to the high resolution of the confocal apparatus used. It is worth stressing that the simultaneous use of complementary techniques was able to provide more complete information for the conservation of the artifact we studied.

A detailed spectroscopic study of an Italian fresco

CRUPI, Vincenza;MAJOLINO, Domenico;
2005

Abstract

In the present work we characterized samples of plasters and pictorial layers taken from a fresco in the Acireale Cathedral. The fresco represents the Coronation of Saint Venera, patron saint of this Ionian town. By performing a detailed spectroscopic analysis of the plaster preparation layer by Fourier-transform infrared sFTIRd spectroscopy and x-ray diffraction sXRDd, and of the painting layer by FTIR and confocal Raman microspectroscopy, scanning electron microscopy +energy dispersive x-ray spectroscopy, and XRD, we were able to identify the pigments and the binders present. In particular, Raman investigation was crucial to the characterization of the pigments thanks to the high resolution of the confocal apparatus used. It is worth stressing that the simultaneous use of complementary techniques was able to provide more complete information for the conservation of the artifact we studied.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11570/1432224
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