Ontology highlight
ABSTRACT:
SUBMITTER: Wu Q
PROVIDER: S-EPMC9585527 | biostudies-literature | 2022 Oct
REPOSITORIES: biostudies-literature
Wu Qing Q Soppa Karolina K Müller Elisabeth E Müller Julian J Odstrcil Michal M Tsai Esther Hsiao Rho EHR Späth Andreas A Holler Mirko M Guizar-Sicairos Manuel M Butz Benjamin B Fink Rainer H RH Watts Benjamin B
Nanoscale 20221021 40
Many European sculptures and altarpieces from the Middle Ages were decorated with Zwischgold, a bilayer metal leaf with an ultra-thin gold face backed by silver. Zwischgold corrodes quickly when exposed to air, causing the surface of the artefact to darken and lose gloss. The conservation of such Zwischgold applied artefacts has been an obstinate problem. We have acquired quantitative, 3D nanoscale images of Zwischgold samples from 15<sup>th</sup> century artefacts and modern materials using pty ...[more]