History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c30.s1.18
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c30.s1.18
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c30.s1.18
Take one part of iron and twentieth part of its weight of cinnabar, rub them with lemon-juice and sour gruel, and roast the mixture in a covered crucible. The operation being repeated forty times, *kantam*, *tikshnam* and *mundam* are killed,—of this there is no doubt. 113-114