History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s3.26
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s3.26
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- English
c17.s3.26
*Extraction of Zinc from Calamine.*—"*Rasaka* mixed with wool, lac, *Terminalia chebula* and borax and roasted in a covered crucible, yields an essence of the appearance of tin ; of this there is no doubt."