History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c28.s1.3
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c28.s1.3
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c28.s1.3
A vessel which contains milk has its mouth tied down with a piece of cloth, over which is deposited finely powdered sulphur; the latter again covered with an earthen bowl. Heat is applied from above by burning cow-dung cakes. The melted sulphur drops into the milk and is thus purified. 24-25