Fig. 9From: Azurite in medieval illuminated manuscripts: a reflection-FTIR study concerning the characterization of binding mediaAbsorption index spectra from the blue area (blue line) and a light pink area (red line) in Cod. slav. 8 compared to the transmission FTIR reference IRUG CB0084 (grey). The peaks at 2918, 2896, 1580, and 1540 cm−1 can be assigned to calcium soapBack to article page