Fig. 5From: Hyperspectral imaging solutions for the non-invasive detection and automated mapping of copper trihydroxychlorides in ancient bronzeReflectance spectrum for cluster A of the VNIR hyperspectral imaged bronze fragments (YJS-M109-19, SJL-M102-8) and its associated standard deviation and the reflectance specrum for the copper degradation product chalconatroniteBack to article page