Chapter 4: Discovering Metals: A Historical . ASM International
ing of aluminum in 1884 is provided in Table 4.1. Six metals were used by prehistoric man: gold, silver, copper, tin, lead, and iron. Gold and . the primary tasks of the metallurgist is to extract . such as gold, silver, and copper. Nuggets of.
The Discovery of Metals AZoM
Jun 21, 2012 . Such as, the Stone Age, Bronze Age and Iron Age. . These metals could be mined and used without the need of more complicated extraction or separation from other metals or . Gold, Silver and Copper are all examples of Native metals that naturally . 1884, Electrolytic refining of Aluminium, US, France.Get Price