Fig. 5From: Electrochemical assessment of pigments-binding medium interactions in oil paint deterioration: a case study on indigo and Prussian blueSample from blue unaltered paint a). a Topographic images in peak force error mode (X and Y scale bar = 10 µm, Z = − 87.3–83.0 nN); b topographic images in height mode (X and Y scale bar = 10 µm, Z = − 0.55–0.74 µm); c peak force height 3D map (X and Y scale bar = 10 µm, Z = 1.00 µm)Back to article page