Minerals and Metals in Ancient India v1.c14.s2.t6.5
Minerals and Metals in Ancient India v1.c14.s2.t6.5
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v1.c14.s2.t6.5
The high purity ingots of copper (99.81 per cent) and lead (99.54 per cent) suggest that the Lothal technicians had learnt the art of purification of impure metals, and de-arsenification in the first case.