1. Rijksmuseum, Conservation and Science, Hobbemastraat 22, 1071 ZC, Amsterdam, Netherlands.
2. European Synchrotron Radiation Facility (ESRF), 71 Avenue des Martyrs, 38000 Grenoble, France.
3. Sorbonne Université, CNRS, Laboratoire d’Archeologie Moléculaire et Structurale, LAMS, 4 Place Jussieu, 75005 Paris, France.
4. Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1090 GD, Amsterdam, Netherlands.
5. Conservation and Restoration, University of Amsterdam, Johannes Vermeerplein 1, 1071 DV, Amsterdam, Netherlands.
6. Vrije Universiteit, De Boelelaan 1105, 1081 HV, Amsterdam, Netherlands.
7. Centre de Recherche et de Restauration de Musées de France (C2RMF), 14 Quai François Mitterrand, Palais du Louvre, 75001 Paris, France.
8. PSL Research University, Chimie ParisTech—CNRS, Institut de Recherche Chimie Paris, UMR8247, 75005 Paris, France.