A multimodal study of smalt preservation and degradation on the painting “Woman doing a Libation or Artemisia” from an anonymous painter of the Fontainebleau School

The blue pigment smalt, a synthetic potash glass tinted with cobalt, was widely used between the sixteenth and the eighteenth centuries. As part of a study on the alteration of smalt and the reconstitution of its original color, the painting: Woman doing a Libation or Artemisia (Fontainebleau school...

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Vydáno v:European physical journal plus Ročník 138; číslo 2; s. 185
Hlavní autoři: de Mecquenem, Clément, Eveno, Myriam, Alfeld, Matthias, Pillay, Ruven, Laval, Eric, Ravaud, Elisabeth, Reiche, Ina
Médium: Journal Article
Jazyk:angličtina
Vydáno: Berlin/Heidelberg Springer Berlin Heidelberg 28.02.2023
Springer Nature B.V
Springer
Témata:
Applied and Technical Physics
Atomic
Cobalt
Color
Complex Systems
Condensed Matter Physics
Degradation
Focus Point on Scientific Research in Cultural Heritage 2022
Image reconstruction
Mathematical and Computational Physics
Molecular
Museums
Optical and Plasma Physics
Physics
Physics and Astronomy
Pigments
Potash
Potassium carbonate
Python
Regular Article
Scanning electron microscopy
Spectroscopy
Spectrum analysis
Synchrotrons
Theoretical
X ray absorption
X ray imagery
X-ray diffraction
X-ray fluorescence
ISSN:2190-5444, 2190-5444
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Shrnutí:The blue pigment smalt, a synthetic potash glass tinted with cobalt, was widely used between the sixteenth and the eighteenth centuries. As part of a study on the alteration of smalt and the reconstitution of its original color, the painting: Woman doing a Libation or Artemisia (Fontainebleau school, 1570) was examined in which the artist used smalt as a blue pigment, which is now degraded. Noninvasive imaging was performed using macro-2D X-ray fluorescence and reflectance imaging spectroscopy to get an overview of the artist’s palette and its distribution. Samples prepared as cross sections were also analyzed by scanning electron microscopy coupled with energy dispersive spectroscopy, micro-X-ray absorption near-edge structure spectroscopy and synchrotron micro-X-ray diffraction imaging to determine the preservation state of the smalt as well as structural information on other pigments adjacent to smalt grains in individual paint layers, which could play a role in the degradation process. On the one hand, the study conducted on the alteration of smalt has shown that it is very weathered and mixed with hydrocerussite, which could be a factor that would facilitate the alteration. On the other hand, these analyses have made it possible to identify and locate the pigments used, which will be the basis for the virtual reconstruction of the color of the painting.
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ISSN:2190-5444
2190-5444
DOI:10.1140/epjp/s13360-023-03799-4