Fig. 2From: Evaluation of polyvinyl alcohol–borax/agarose (PVA–B/AG) blend hydrogels for removal of deteriorated consolidants from ancient Egyptian wall paintingsa Measuring CA using Imagej 1.64 software by means of the drop analysis plugin. CA photographs before (b) and after (c) B-72 removal from a painted plaster sample. The photographs show that the CA significantly decreased after treating the sample with PVA–B/AG blend hydrogel loaded with CS3Back to article page