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Heritage Science
Fig. 3 | Heritage Science

Fig. 3

From: Separating two painting campaigns in Saul and David, attributed to Rembrandt, using macroscale reflectance and XRF imaging spectroscopies and microscale paint analysis

Fig. 3

Reflectance spectra and associated distribution map obtained from reflectance imaging spectroscopy (RIS). a Reflectance spectra of yellow ochre (blue color), red ochre (green color), and a mixture of red ochre and vermilion (red color). b Map showing the distribution of the reflectance spectra shown in a

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