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Heritage Science
Fig. 8 | Heritage Science

Fig. 8

From: Infrared chemical mapping of degradation products in cross-sections from paintings and painted objects

Fig. 8

Le martyre de Saint-Pierre de Vérone. a Representative KKT-corrected R-FTIR spectrum of a spot in the bottom translucent brown layer (layer 1). b Transmission/absorption spectrum of an unmounted fragment of the translucent brown layer. c Representative KKT-corrected R-FTIR spectrum of a spot in the upper ground layer (layer 3). d Transmission/absorption spectrum of an unmounted fragment of the upper ground layer

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