History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c28.s1.2
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c28.s1.2
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c28.s1.2
Melted sulphur is poured into the juice of *Verbesina calendulacea* and thus purified.