Fig. 11From: Spectral information to get beyond color in the analysis of water-soluble varnish degradationDistributions for L*, a*, b* values for unvarnished (left column) and varnished (right column), before (red) and after (blue) AA 6 h, for EW varnish (top row) and GA varnish (bottom row). Lab of average spectra (+) and average of Lab values (×) included. Note the different axes scale limits between left and right columns and between top and bottom rowsBack to article page