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Kharu (loha) dalam gets combined (with) them; (there becomes) sāraloha, quench iron leaf in the excreta of a cock-vāla 14 in a crucible in molasses-vāla 14, and in Sal-ammoniac vāla 14, Iron is produced if the leaf is put inside the mixture. 1
Steel (polād) is fixed in the juice of Āmathi (Ipomoea sepiaria), the essence is produced.
According to the Rasārņava, iron can be purified with the juice of guṇaca, hamsapāți, karanjā, triphalā, gopalaki, gorasaņā, tumburu' and (Nepālı dhaniyā). The Rasaratna Samuccaya describes differnt processes for the purification of iron.
(1) Hezisor by smeaing it with the Bhoor vi mangdust Knargo'sa). . (2) Quench heated iron-leaf in the juice of Triphalā.
(3) and in the vilayana (bath) of salt,
(4) Quench heated iron-leaf in the decoction of triphalā boiled with the juice of leaves of tamarind or cow's urine.
This work refers to about 14 process of incineration of iron.
(1) Heat the filings of iron with clarified butter. Thus vāritara bhasma (floating on water) of iron will be obtained.
(2) Heat iron-leaf in fire, and quench it in the juice of ambala of triphala.
(3) Heat iron with the collyrium of mercury and sulphur or cinnabar and quench it in the juice of kānji or lemon. The ashes obtained thus become of much red colour or of some what blackish colour.** 1. SRSS., Ch. 9.11.
2. Ibid., Ch. 5.2. 3. Guļācı hamsapādau ca navatmalaḥ phalatrayam//
gopalaki gorasanā tumbururtohanighnakah/
Eşāṁ rase dhālayettat giridoşanivșttaye || Rasārņava, 7/108-9. 4. Cimcāpatrajalakvāthādayo doșamudasyati/
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