Fig. 11From: Technical examination of Liu Kang’s Paris and Shanghai painting supports (1929–1937)ATR-FTIR spectra of grounds and reference samples of binders and metal soaps: a ground of type 1 from Landscape in Switzerland, with labelled marker peaks of oil and lead soap, peak 2087 indicates Prussian blue originating from the paint layer; b ground of type 2 from Breakfast with labelled marker peaks of proteins, oil and zinc soapBack to article page