History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c16.s1.9
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c16.s1.9
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c16.s1.9
A preparation known as *parpati-tamram* has been described as follows. Sulphur, copper and the pyrites are to be pounded together with mercury and subjected to roasting in a closed crucible, and the product thus obtained to be administered with honey. Sulphides of copper and mercury are obviously produced by this operation.