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Heritage Science
Fig. 6 | Heritage Science

Fig. 6

From: The origins of the Selden map of China: scientific analysis of the painting materials and techniques using a holistic approach

Fig. 6

FTIR-ATR spectra of a green fragment measured from both the paint (black curve) and paper (grey curve) sides compared with the spectra of gum Arabic (blue curve) and cellulose (Whatman CC41, green curve). The spectra are shifted vertically for clarity. Inset: UHR-OCT virtual cross-section images of a the paper side and b the paint side of the fragment (the bright line at the top is the interface between air and the painting surface). OCT image dimensions are 0.82 mm (width) by 0.05 mm (depth)

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