Older pewters with a higher lead content weigh more, tarnish more quickly, and develop a darker silver-grey colour with time. Through BS5140, which was strengthened by BSEN611 in 1994, lead was eliminated from the composition in 1974.
What is Lead ?
The periodic table's element lead has an atomic number of 82.
Humans have used lead (Pb), a metal, for countless years, going all the way back to 7000 BC.
The element can be found in trace amounts in a number of minerals, with the exception of sulphide and lead glance (PBS), which are used to make the metal all over the world.
Lead (Pb) is a white, soft, shiny metal that is very malleable.
The metal is not only a good conductor of electricity but also has a strong resistance to corrosion.
When burned in the air, the metal's powdered form emits a bluish-white blaze.
Lead fluoride is created when fluorine and lead are combined at ambient temperature.
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