A Multivariate Methodological Workflow for the Analysis of FTIR Chemical Mapping Applied on Historic Paint Stratigraphies

Figure 3

Sample 15r1. (a) Average spectral profile extracted from layer 2; (b) reference spectrum of a natural gum (peach gum purchased by Zecchi, Florence Italy); (c) average spectral profile extracted from layer 1; (d) average spectral profile extracted from layer 0.

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