2026-04-17T20:00:49Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/79232023-11-03T07:48:17Zcom_10259.4_2502com_10259.4_2477com_10259.4_106com_10259_2604col_10259_7074
Repositorio Institucional de la Universidad de Burgos
author
Maingi, Evan Maina
author
Alonso Abad, Mª Pilar
author
Angurel Lámban, Luis Alberto
author
Fuente Leis, Germán F. de la
author
Dubernet, Stéphan
author
Chapoulie, Rémy
author
Mellouët, Oriane
author
Vally, Elodie
2023-11-02T12:25:15Z
2023-11-02T12:25:15Z
2023-02
http://hdl.handle.net/10259/7923
10.3390/heritage6020104
2571-9408
The aim of this research work was to conduct a comparative study on the effectiveness
of the application of chemical cleaning versus laser cleaning in the removal of surface congruent
dissolution products from a potash-lime–silica historical stained-glass sample. EDTA was selected
as the chemical cleaning agent. Laser cleaning was performed using a 238 fs pulse UV (343 nm)
laser. The comparative cleaning studies were carried out on a stained-glass piece supplied by the
Maison Lorin Glass Restoration Workshop from Chartres, France. Given the complex nature, irregular
thickness and heterogeneity of the encrustations found on the glass, the two cleaning approaches
were carefully performed step by step, while monitoring the process using an optical microscope.
Raman spectroscopy and field emission scanning electron microscopy were used to characterize the
changes induced on the sample surface during the cleaning process. The results demonstrate that the
two cleaning approaches were able to eliminate the outer surface dark layer associated with carbon
compounds, as well as the external part of the white layer generated by the crystallization of salts,
formed with the dissolved elements after a reaction with the air. A comparison of the advantages and
disadvantages of each method is also presented.
eng
Atribución 4.0 Internacional
Stained glass
Laser cleaning
Chemical clearing
Encrustations
Conservation
Chemical and Laser Cleaning of Corrosion Encrustations on Historical Stained Glass: A Comparative Study
info:eu-repo/semantics/article
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URL
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Maingi-heritage_2023.pdf