Fig. 12From: Technical examination of Liu Kang’s Paris and Shanghai painting supports (1929–1937)Liu Kang, My landlady, Madame Normand, 1932, oil on canvas, 54 × 45 cm. Images of the painting photographed in normal light: a front; b reverse side. Liu Kang Family Collection. Images courtesy of Liu family. c ATR-FTIR spectra of a ground and reference samples, identifying proteins, oil and zinc soapBack to article page