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Proceedings Paper

Salerno Exultet: its characterization by Raman and PIXE-alpha analyses
Author(s): Marina Bicchieri; Michele Nardone; Giuseppe Pappalardo; Lighea Pappalardo; Francesco Paolo Romano; Pio Alfonso Russo; Armida Sodo
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Paper Abstract

Two non-destructive techniques, Raman spectroscopy and particle induced x-ray emission spectrometry, were used for a compete connotation of the Salerno Exultet, an illuminated parchment dated back to 13th century. The Salerno Exultet exhibits several areas which have underdone restoration treatments during the years. The complete connotation of this masterpiece was necessary in order to identify and to distinguish the original and the added pigments. Owing to its dimensions, it has been impossible to analyze the Salerno Exultet directly under the microscope of our Micro- Raman spectrometer. We have therefore used optical fibers connected to a three axis micro-positioned measurement head mounted on a large metal frame. PIXE analysis was performed using the portable instrumentation set up by the INFN-LANDIS Laboratory, Catania, Italy. The combination of these two complementary techniques allowed us to reveal a palette formed by lapis-lazuli, cinnabar, verdigris, earths organic lakes and chalk.

Paper Details

Date Published: 22 October 2001
PDF: 4 pages
Proc. SPIE 4402, Laser Techniques and Systems in Art Conservation, (22 October 2001); doi: 10.1117/12.445666
Show Author Affiliations
Marina Bicchieri, Istituto Centrale Patologia del Libro (Italy)
Michele Nardone, Univ. degli Studi di Roma Tre (Italy)
Giuseppe Pappalardo, Istituto Nazionale di Fisika Nucleare and Univ. degli Studi di Catania (Italy)
Lighea Pappalardo, Istituto Nazionale di Fisika Nucleare and Univ. degli Studi di Catania (Italy)
Francesco Paolo Romano, Istituto Nazionale di Fisika Nucleare (Italy)
Pio Alfonso Russo, Univ. degli Studi di Roma Tre (Italy)
Armida Sodo, Univ. degli Studi di Roma Tre (Italy)


Published in SPIE Proceedings Vol. 4402:
Laser Techniques and Systems in Art Conservation

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