Revealing the Materials, Painting Techniques, and State of Preservation of a Heavily Altered Early 19th Century Greek Icon through MA-XRF

Macroscopic X-ray fluorescence analysis (MA-XRF) is a non-destructive analytical technique that allows for the rapid and thorough investigation of paintings; therefore, it is nowadays increasingly involved in relevant studies. In the present work, a state-of-the-art MA-XRF set-up is utilized to iden...

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Bibliographic Details
Published in:Heritage 2023-02, Vol.6 (2), p.1903-1920
Main Authors: Mastrotheodoros, Georgios P., Asvestas, Anastasios, Gerodimos, Theofanis, Anagnostopoulos, Dimitrios F.
Format: Article
Language:English
Subjects:
Analysis
Artisans
Christianity
Compton scattering
conservation
Cultural heritage
elemental maps
gilding
Icon painting
Investigations
macro X-ray fluorescence imaging
Paint
Painters
pigment
Radiation
Religion
Religious orthodoxy
Spectrum analysis
X-ray spectroscopy
X-rays
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Summary:Macroscopic X-ray fluorescence analysis (MA-XRF) is a non-destructive analytical technique that allows for the rapid and thorough investigation of paintings; therefore, it is nowadays increasingly involved in relevant studies. In the present work, a state-of-the-art MA-XRF set-up is utilized to identify the painting materials and techniques and document the state of preservation of an early 19th-century AD Greek religious panel painting (“icon”). The artifact in consideration has received extensive restoration interventions in the past and is considerably decayed; for these reasons, the interpretation of the relevant MA-XRF elemental intensity distribution maps is challenging. In this framework, it is demonstrated how the elemental distribution maps can be explored and interpreted to lead to a thorough investigation of the painting in consideration. In particular, the MA-XRF data interpretation allowed for the identification of the original palette that includes the rather rarely employed–in icon painting-yellow lead-antimonate pigment, led to the spotting of an invisible inscription, to the documentation of the preparation/gesso layer and the preliminary drawing. Additionally, it was possible to discriminate between the original painting and the later interventions, while the collected data revealed that the painting originally had two cross-bars attached to its back. Ultimately, the presented case study can be utilized as a guide for the proper interpretation of MA-XRF data from decayed and altered icons.
ISSN:2571-9408
2571-9408
DOI:10.3390/heritage6020102