Showcasing the Romantic artist's early innovations with oil paint, "The Rising Squall" could fetch up to $400,000. Before it ...

The research team prepared model paints comprising linseed oil – a drying oil commonly used by artists – egg yolk and either lead white (LW) or synthetic ultramarine blue (UB) pigments. “These ...

Over time these react with negatively charged components of oil called fatty acids, which have been severed from the rest of the oil molecules by light, heat and humidity. This process, known as ...

In such circumstances, Mayern wrote, a canvas required a foundational layer of lead-rich oil. ... it’s really a 3D object because we have all of these paint layers,” she explained.