Fig. 17From: Reviving WHAAM! a comparative evaluation of cleaning systems for the conservation treatment of Roy Lichtenstein’s iconic paintingImages and star diagrams show the results for tests carried out on areas of Whaam! with Nanorestore Gel® Peggy 6 loaded with tri-ammonium citrate (TAC) solution at different concentrations (0.5–1% w/w), as evaluated on the yellow, red and black Magna paint passages, and on the alkyd priming, with corresponding star diagramsBack to article page