History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c30.s1.14

c30.s1.14

If water is kept in a vessel and oil poured over it, and the oil does not spread about; if asafoetida gives up its odour, and decoction of *neem* (*Azadirachta indica*) its bitterness, and milk, being boiled in it, does not overflow but rises high like a peak — if such be the characteristics of the vessel, know that it is made of *kanta* iron. 94