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 › Miscellaneous Chemicals › Ferrocyanide of Copper
Ferrocyanide of Copper
Call- acetate of lead in 3 pints boiling distilled ed also Prussiate of Copper. Precipitate a water, with a solution of 6 ounces chloride of solution of a salt of copper (sulphate of cop- sodium in 1 pint boiling water; when cold, per, for instance,) with another of yellow wash and dry the precipitate. It may be obprussiate of potash; collect the powder, wash tained in brilliant colorless needle-shaped crysit with water, and dry. Has a beautiful red-tals, by dissolving finely powdered litharge dish-brown color, and is sometimes used as a pigment.