Fig. 3From: Characterization of polyvinyl alcohol-borax/agarose (PVA-B/AG) double network hydrogel utilized for the cleaning of works of artLiquid phase retention of 3% PVA-B, 4% PVA-B, and 3%/1% PVA-B/AG hydrogel formulations with and without solvents. The error bars represent the standard deviationBack to article page