Scientific Results

Characterization of azurite and lazurite based pigments by laser induced breakdown spectroscopy and micro-Raman spectroscopy

Year: 2001

Authors: Bicchieri M., Nardone M., Russo P.A., Sodo A., Corsi M., Cristoforetti G., Palleschi V., Salvetti A., Tognoni E.

Autors Affiliation: Ist Cent Patol Libro, Rome, Italy
Univ Roma Tre, Dipartimento Fis, INFM, Unita Ric, Rome, Italy
CNR, Ist Fis Atom & Mol, Pisa, Italy

Abstract: The most commonly used blue pigments in medieval manuscripts are azurite and lapis-lazuli. The first one is a copper-based pigment; the coloring compound of the latter is lazurite, a sodium silico-aluminate in a sulfur matrix. Knowledge of the chemical composition of the materials is essential for the study of illuminated manuscripts. In this paper, micro-Raman and LIBS have been used for the study of azurite and lapis-lazuli, as well as different mixtures of these pigments applied to parchment to simulate an illuminated manuscript. The results of our work show the importance of using more than one technique for a good comprehension of a manuscript. In particular, the opportunity of combining elemental information (obtained from laser induced breakdown spectroscopy) and vibrational spectroscopy information (obtained from Raman) will be fully exploited. (C) 2001 Elsevier Science B.V. All rights reserved.

Journal/Review: SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY

Volume: 56 (69      Pages from: 915  to: 922

KeyWords: cultural heritage; pigment analysis; Raman spectroscopy; LIBS; illuminations
DOI: 10.1016/S0584-8547(01)00228-2

Citations: 85
data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2021-12-05
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