Important: Safety Warning
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 › Alloys › Expansion Metal
Expansion Metal
Melt together 9 parts of lead, 2 parts of antimony, and 1 , and 1 part bismuth. 3455. Fluid Alloy of Sodium and Potassium. If 4 parts sodium are mixed with 24 potassium, the alloy will have exactly the appearance and consistency of mercury, remaining liquid at the ordinary temperature of the air.