Is the mystery of the fading of beautiful blue shades in Renaissance paintings, painted with precious ultramarine, finally solved?
This was done by Katrien Keune – Head of Science at the Rijksmuseum, with whom we cooperate in the IPERION HS project – and her team. It turns out that the pigment’s catalytic activity is responsible for its instability. For more information, read the popular science article on chemistryworld.com or the publication in the Journal of Cultural Heritage!
https://www.sciencedirect.com/science/article/pii/S1296207419305217?via%3Dihub