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Heritage Science
Fig. 3 | Heritage Science

Fig. 3

From: Evaluating three water-based systems and one organic solvent for the removal of dammar varnish from artificially aged oil paint samples

Fig. 3

Upper: Star diagram for three varnish removal methods applied to the varnished lead white oil paint sample. Lower: Digital microscopy images of the three optimal cleaning results at 10 × magnification. XE = xanthan gum-stabilised emulsion, ME = microemulsion, OS = organic solvent. Overlapping lines in the star diagram were staggered for visibility

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