Fig. 3From: Investigating the effect of artists’ paint formulation on degradation rates of TiO2-based oil paintsContour plots for different oil and aluminum stearate contents, for the calculated relative gloss decay after 750 J/cm2 in relation to formulation for Experiment II. a low oil content and no AlSt; b low oil content and AlSt; c high oil content and no AlSt and D: high oil content and AlStBack to article page