Important: Safety Warning
This page contains a formula or preparation using substances now known to be dangerously toxic, such as arsenic, mercury, lead, or cyanide compounds. Exposure to these substances can cause severe poisoning, permanent injury, or death.
In addition, this page describes trade processes that use dangerously toxic materials such as cyanide solutions, mercury amalgams, or strong acids. These processes require training, equipment, and precautions far beyond what the text describes.
This information has been left in for historical purposes but should not be acted upon.
Home › Ivory, Alabaster, Etc › To Dye Ivory Green
To Dye Ivory Green
Dissolve verdigris in vinegar, and steep the pieces therein for a short time, observing to use a glass or stoneware vessel; or in a solution of wards. Should any dark spots appear, they verdigris, 2 parts, and sal ammoniac, 1 part, in may be cleared up by rubbing them with soft water; or, dye the ivory blue by the chalk; after which the ivory should be dyed third receipt for that purpose, and then insert once more, to produce a perfect uniformity of in a solution of picric acid, as prescribed for shade. On taking it out of the boiling hot the dark lemon color. (See No. 1991.) dye bath, it should be plunged immediately 1990. To Dye Ivory Yellow. Steep into cold water, to prevent the chance of fis- the ivory in a bath of neutral chromate of sures being caused by the heat. Ivory may potash, and afterwards in a boiling solution of be dyed by any of the ordinary methods em- acetate cf lead.
Or: Steep the pieces for 24 hours in a solu- 1998. To Restore Yellow Ivory to tion of sugar of lead, then take them out, and its Original Whiteness. A thin limewhen dry, immerse them in a solution of chro- paste is prepared in a pot, and heated over a mate of potassa. stove; the ivory is placed in this and left polished.
Or: Dissolve as much of the best orpiment until white, when it is taken out, dried, and in water of ammonia or hartshorn as it will take up, then steep the pieces therein for some hours; lastly, take them out and dry them, when they will turn yellow.