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 › Gilding, Silvering, Etc › Gold Plating Powder
Gold Plating Powder
Wash thoroughly 1/4 ounce chloride of gold; then gramme, (7) grains) nitric acid of specific ald it to a solution of 2 ounces cyanide of gravity 1.34. The distilled liquid, the invertpotassium in a pint of clean rain water; ed sugar, and 100 cubic centimeters (gill) shake well, and let it stand until the chloride alcohol are mixed together, and the mixture is dissolved. Add 1 pound prepared Spanish diluted to 500 cubic centimeters (1 10 pints). whiting, expose to the air till dry, and then In using these solutions, 1 volume of the sodic put away in a tight vessel for use. hydrate solution is mixed with 4 volumes of 3592. To Apply Gold Plating Pow- the gold solution, and to this mixture is added der. Make some gold plating powder into a from 1.35 to 1.30 volume of the reducing paste with water, and rub it on the surface of liquid. The object to be gilded is placed on the article with a piece of chamois skin or the top of the solution, having the surface incotton flannel. The surface of the article tended to be coated turned downwards. should be thoroughly cleansed before applying the plating powder. 140° Fahr.
The temperature of the bath should be below