A panel painting, a portrait (“
Non-invasive techniques, microchemical spot tests, OM, SEM-EDAX, FT-IR, XPS was used to characterize the panel painting.
Materials, techniques, the state of conservation, and the previous treatments were characterized.
The preparatory layers, the binding medium, the pigments, the frass, and the previous treatments were chemically analyzed.
The portrait showed a traditional painting technique of 16th century, for the preparation, the underdrawing, and the pigments.