Fig. 2From: Electrochemical assessment of pigments-binding medium interactions in oil paint deterioration: a case study on indigo and Prussian bluea Microphotograph of the sample from the blue unaltered paint; b microphotograph of the cross section of the sample from the blue unaltered paint; c microphotograph of the sample from the blue altered paint; d microphotograph of the cross section of the sample from the blue altered paintBack to article page