Figure 9From: Faded shine…. The degradation of brass powder in two nineteenth century paintingsAnalytical microscopic analysis of the cross section of a sample taken from the lower left edge of the painting Portrait of a young girl (1888) by F. Franzoni: a light microscopy image in bright field mode with cross polarization, b–d ATR–FTIR–FPA distributions of different phases, e ATR–FTIR spectra of selected regions.Back to article page