Fig. 2From: Two-step analytical procedure for the characterization and quantification of metal soaps and resinates in paint samplesOptical image in dark field of the sample coating from the 17th c. desk showing the brownish matrix with some green shades from the pigment particles a observed and b reversed; optical images from the polychrome sample build-up under c vis light and d UV light: 1 transparent foundation layer, 2 semi opaque green layer, 3 green/blue layer, 4 green/blue layer, 5 transparent layer with white light blue fluorescence, 6 semi opaque blue/green layer, 7 dark pigmented layer(probably dirt)Back to article page