History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c28.1
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c28.1
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c28.1
Sulphur, red ochre, vitriol, alum, orpiment, realgar, *anjāna* and *kankushtha*—these are eight *uparasas*, useful in operations of mercury. 1