History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c18.3
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c18.3
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c18.3
2. After this it should be purified seven times with the sap (*dugdha* or *ksira*, ‘O. ma) of ‘akon’ (*Calotropis gigantea*). In that state it is to be kept in the sun.