Multi-analytical characterisation of red colouration on decorated ostrich eggshells from the Middle Bronze Age in Bahrain

• Pastorelli, Gianluca
• Scharff, Mikkel
• Presslee, Samantha
• Penkman, Kirsty https://orcid.org/0000-0002-6226-9799
• Richter, Jane

Funding Information: The authors express sincere gratitude to dr.phil. Flemming Højlund, Moesgaard Museum, Denmark, for providing access to the samples for the study, and to laboratory technician Charlotte H. Bak, Royal Danish Academy, for conducting the thermal treatment experiments. The authors also thank Marc Walton and Lindsay Oakley (formerly Center for Scientific Studies in the Arts, Northwestern University and Art Institute of Chicago, IL), Enrico Cappellini (Department of Biology, University of Copenhagen, Denmark) and Molly Crisp (formerly Department of Chemistry, University of York, UK) for their valuable insights. This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors, with the exception of the SD-OCT measurements carried out at the Materials Characterization and Imaging Facility of Northwestern University, IL, with support from the Mellon Foundation, which the authors gratefully acknowledge. Publisher Copyright: © 2023 Elsevier Ltd. This is an author-produced version of the published paper. Uploaded in accordance with the University’s Research Publications and Open Access policy.

• Submitted: 22 March 2023
• Accepted: 15 September 2023
• Published (online): 9 October 2023
• Published: 1 December 2023

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