Minerals and Metals in Ancient India v1.c20.s5.5
Minerals and Metals in Ancient India v1.c20.s5.5
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v1.c20.s5.5
At Ujjain, calcium compounds such as lime or aragonite were used as flux. There is no evidence of flux having been used at Rajghat. The alkalies in the slag might have appeared from the charcoal ash.