Fig. 5From: Infrared chemical mapping of degradation products in cross-sections from paintings and painted objectsL’Annonciation. a Representative KKT-corrected R-FTIR spectrum of a spot near the surface of the protrusion (layer 3). b Transmission/absorption spectrum of an unmounted fragment of the protrusion. c KKT-corrected R-FTIR spectrum of a spot in the bulk of the waxy protrusion (layer 3)Back to article page