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Heritage Science
Fig. 5 | Heritage Science

Fig. 5

From: Creation and reference characterization of Edo period Japanese woodblock printing ink colorant samples using multimodal imaging and reflectance spectroscopy

Fig. 5

Comparison of red dyes printed on sized and unsized paper. Top panel: visible-reflected comparison, from left to right, of sappanwood, cochineal, kermes, and madder inks printed on sized paper (above) and unsized paper (below). Bottom panel: reflectance spectra (top) and their respective 1st derivative (bottom) for red dyes on sized (black line) and unsized (gray line) paper. Dyes printed on unsized paper appear differently both by eye and spectroscopically

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