Sestava amalgama
iz googla copy/paste:
Dental amalgam consists roughly as a 50/50 mix of mercury and an alloy powder, usually composed of silver, zinc or palladium.
Dental amalgam is the end result of mixing approximately equal parts of elemental liquid mercury (43 to 54 percent) and an alloy powder (57 to 46 percent) composed of silver, tin, copper, and sometimes smaller amounts of zinc, palladium, or indium.