Fig. 5From: Evidence of early amorphous arsenic sulfide production and use in Edo period Japanese woodblock prints by Hokusai and KunisadaDigital images (×200) under visible light of the green areas of the tree in (a) print A and (b) print B. Print B presents both bright yellow and coarse dull orange arsenic sulfide particles (red circles) while print A (and C) only present bright yellow crystal-looking arsenic sulfide particlesBack to article page