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Fine Red Dye for Ivory
A beautiful red color may be imparted to ivory thus: Take 4 parts, by weight, picric acid, and dissolve in 250 parts boiling water; add, after cooling, 8 parts liquid ammonia. Dissolve also 2 parts crystallized fuchsine (ma genta) in 45 parts alcohol, dilute with 375 parts hot water, and next add 50 parts ammonia. As soon as the red color of the magenta solution has disappeared, the two solutions