FTIR analysis of the adhesive used for the glass sculpture Prisma in Norrköping, Sweden (RAÄ-2025-138)

Mid infrared analysis of adhesive samples taken from the glass sculpture Prisma in Norrköping. Prisma is part of the public art in the city of Norrköping, Sweden, and measures 11.5 m and is made of more than 3500 glass sheets (< 1 cm thick) joined by an unknown adhesive. The research question is related to the possibilities to understand which adhesive used by the artist. Object: Glass sculpture Prisma (https://www.norrkopingskonstmuseum.se/offentlig-konst/prisma-1967-vicke-lindstrand-1904-1983/) Artist: Vicke Lindstrand (http://vocab.getty.edu/page/ulan/500524318) Owner: Norrköpings konstmuseum (https://www.norrkopingskonstmuseum.se/) Data collected at the Swedish National Heritage Board (www.raa.se) with the project number Drn RAÄ-2025-138.