Fig. 20From: A preliminary study of Liu Kang’s palette and the discovery and interpretation of hidden paint layersSEM–EDS maps showing the distribution of the detected elements in sample 8 from Zuo La Lu. The greyscale corresponds to the intensity of the signal of each element: white equals high intensity, black means low intensity. Cadmium, which was assigned to cadmium yellow, is confined only to the upper layer while the second layer is characterised mainly by Ca, Pb and CrBack to article page