Applications

3D chemical map over topography of soap formation on an oil painting. (Sample courtesy of the National Gallery of Art, Washington, D.C.)

Soap Formation in National Gallery Oil Painting

PiFM imaged the soap cross-section of a National Gallery sample to expose different chemical components found in a tiny piece of an oil painting. The formation of soap aggregates is of growing concern to art conservation and restoration, especially in traditional 15th to 20th century oil paintings.