History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c36.2
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c36.2
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c36.2
There are three natural impurities in quicksilver, *visha* (poison), *vahni* (fire) and *mala* (dirt, dregs), and two artificial, due to its being alloyed with lead and tin. 14-15