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Heritage Science
Fig. 4 | Heritage Science

Fig. 4

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

Fig. 4

FORS spectra of sized paper, unsized paper, rice starch paste on sized paper, and rice starch paste on unsized paper. Each spectrum has the hallmark peaks for cellulose-based paper with the exception of the sized papers, which contain a shoulder peak around 2170 nm due to the protein content of animal glue in the paper sizing

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