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.
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Bright Yellow Enamel
White oxide of antimony, alum, and sal ammoniac, each 1 part ; pure carbonate of lead, 1 to 3 parts, as required, all in powder; mix, and expose to a heat sufficiently high to decompose the sal ammoniac.