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Fig. 4 | Heritage Science

Fig. 4

From: Combined photoluminescence and Raman microscopy for the identification of modern pigments: explanatory examples on cross-sections from Russian avant-garde paintings

Fig. 4

Left panel: Analysis points investigated through Raman microscopy (highlighted as black circles over the colour picture of the sample). Right panel: Raman spectra of sample L5. Layer 1 shows the presence of Lead Chromate (354(s), 375(m), 397(w), 839(vs) cm−1) and Phthalocyanine Blue (256(m), 679(s), 746(s) cm−1) (see also Additional file 1). Layer 2 shows the Cinnabar peak at 250 cm−1. Layer 3 presents a peak at 548 cm−1, associated to Ultramarine Blue pigment

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