History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c17.s4.t2.4
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c17.s4.t2.4
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v1.c17.s4.t2.4
Evidently, complete removal of sulphur and recovery of copper were not possible, and the ore was sulphidic. Copper ore from the neighbouring area contains less than 20 p.c. silica and therefore it may be presumed that the copper ore was fluxed with silica during smelting (Hegde, 1969).