History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s1.13
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s1.13
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c17.s1.13
*Chapala* (possibly some sulphur-containing mineral) and other minerals, being macerated in the juice of lemon for 3 days, become purified. Gold being smeared with the five earths, the ashes and salts, and roasted, undergoes purification