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Table 3 Results of the XRF, FORS and MSI investigations on the coloured inks in ‘Pink Fuji’ (PF) and ‘Red Fuji’ (RF)

From: Developing a systematic approach to determine the sequence of impressions of Japanese woodblock prints: the case of Hokusai’s ‘Red Fuji’

Colours Impressions Elements detected using XRF Colour in IRRFC image FORS Identification
PF RF Fe As S
Dark blue X X Red Asymmetric absorption band at c. 660 nm +broad peak at c. 410 nm Indigo + Prussian blue
Green X X Purplish blue Maximum peak at 490 nm + minimum at 670 nm Prussian blue + orpiment
Deep blue X X Purplish blue Broad peak at c. 420 nm Prussian blue
Light blue X X Purplish blue Broad peak at c. 420 nm Prussian blue
Brown X   Brown Absorption band between 400 and 500 nm + sharp positive slope between 550 and 600 nm + inflection point at 570 nm Earth pigment + orpiment
Pink X   Light brown Earth pigment + orpiment
Brown   X Greenish brown Earth pigment
Red   X Yellow Earth pigment