Article | REF: RE224 V1

Restoration of lead-based paints by laser irradiation

Authors: Sébastien AZE, Jean-Marc VALLET, Olivier GRAUBY, Vincent DETALLE, Philippe DELAPORTE

Publication date: May 10, 2013

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3. Application on a restoration site

As part of a restoration project at the Chapelle Sainte Madeleine in Solomiat, Ain, the condition report drawn up by Gilles Gautier, the restorer in charge of the project, seemed to indicate that the darkening of certain areas of a 19th-century mural was linked to the alteration of a lead pigment. A physico-chemical study of the paint layer confirmed this hypothesis, as the pure minium used had been altered into plattnerite. In collaboration with the people in charge of restoring the chapel, the equipment was installed to apply the treatment to the blackened areas (figure

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Application on a restoration site