X-ray irradiation effects on Egyptian blue and green pigments

Author:

Godet Marie1ORCID,Binet Laurent2,Schöder Sebastian3ORCID,Brunel-Duverger Lucile4,Thoury Mathieu1,Bertrand Loïc15ORCID

Affiliation:

1. Université Paris-Saclay, CNRS, ministère de la Culture, UVSQ, MNHN, IPANEMA, F-91192 Saint-Aubin, France

2. Chimie ParisTech, PSL Research University, CNRS, Institut de Recherche de Chimie Paris (IRCP), F-75005 Paris, France

3. SOLEIL synchrotron, F-91192 Saint-Aubin, France

4. Centre de Recherche et de Restauration des Musées de France (C2RMF), F-75001 Paris, France

5. Université Paris-Saclay, ENS Paris-Saclay, CNRS, Photophysique et Photochimie Supramoléculaires et Macromoléculaires, F-91190 Gif-sur-Yvette, France

Abstract

EPR investigation of Egyptian blue and green irradiated by synchrotron X-rays has revealed the presence of radiation-induced defects (intrinsic and impurities) in both pigments. The green pigment is much more sensitive than the blue (browning).

Publisher

Royal Society of Chemistry (RSC)

Subject

Spectroscopy,Analytical Chemistry

Reference58 articles.

1. I.Shaw , The Oxford History of Ancient Egypt , Oxford University Press , Oxford , 2003 , pp. 479–483

2. Egyptian blue ? Cuprorivaite a window to ancient Egyptian technology

3. Non-destructive and in situ analysis of Egyptian wall paintings by X-ray diffraction and X-ray fluorescence portable systems

4. J.Riederer , in Egyptian Blue , edn E. W. Fitzhugh , Oxford University Press , Oxford, UK , 1997 , vol. 3 , pp. 23–40

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