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Fig. 6 | Heritage Science

Fig. 6

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

Fig. 6

Offset FORS comparison of laked and dye extracts printed on sized and unsized paper. For each figure, spectra are organized as A laked pigment on sized paper, B laked pigment on unsized paper, C dye extract on sized paper, and D dye extract on unsized paper. In both cochineal (top) and madder (bottom) the dye extract on sized paper behaves similarly to the alum-laked pigment. The alum-laked pigment is not effected by the sizing or lack of sizing on the paper

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