Minerals and Metals in Ancient India v1.c14.s2.t4.2
Minerals and Metals in Ancient India v1.c14.s2.t4.2
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v1.c14.s2.t4.2
The analysis of the ingot shows that it is made of copper of a high degree of purity, i.e., 99.81 per cent and is free from tin, lead, zinc and arsenic but contains only traces of iron and nickel as impurities. (Rao, 653)