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Heritage Science
Fig. 3 | Heritage Science

Fig. 3

From: Visualizing and measuring gold leaf in fourteenth- and fifteenth-century Italian gold ground paintings using scanning macro X-ray fluorescence spectroscopy: a new tool for advancing art historical research

Fig. 3

a Fra Angelico, St John the Baptist and St Dominic, late 1420s, tempera and gold leaf on panel, 52.7 × 21 cm (J. Paul Getty Museum, 92.PB.111.2) visible light image; b Au Lα element map (instrumental settings: 50 kV, 600 µA, 450 µm spot size, 450 µm sampling, 5 ms/pixel dwell time); c Masaccio, St Andrew, tempera and gold leaf on panel, 1426, 52.4 × 32.1 cm (J. Paul Getty Museum, 79.PB.61) visible light image; d Au Lα element map (instrumental settings: 50 kV, 600 µA, 450 µm spot size, 450 µm sampling, 20 ms/pixel dwell time). Note: Digital images in a and c courtesy of the Getty Open Content Program

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