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Heritage Science
Fig. 7 | Heritage Science

Fig. 7

From: A multi-analytical approach to identify red colorants on woodblock prints attributed to Suzuki Harunobu

Fig. 7

Summary of pink color analysis. a Representative images of pink areas from Koshikibu no Naishi (32.69), Gi (Righteousness) (35.39), and Ishiyama no shūgetsu (Autumn Moon at Ishiyama) (32.83). b XRF spectra collected from pink areas. Most areas contained no identifying elements, but three contained Pb and four contained higher than average Ca. c Regular Raman spectrum from the pink floor on Koshikibu no Naishi (32.69) compared to a red lead reference spectrum. d SERS spectra and GA fitting data from (top and center) pink floor areas on Koshikibu no Naishi (32.69), and (bottom) pink screen on Gi (Righteousness) (35.39). Blue traces are the sample spectra, black traces are the fit spectra, and red traces are the squared difference. The inset plots to the right show the correlation between the sample and its fit spectrum

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