[Pramāṇa](https://indike.org/pramana/) › [Indian literature](https://indike.org/pramana/in) › [Medicine](https://indike.org/pramana/in.med) › [Alchemy and Iatrochemistry](https://indike.org/pramana/in.med.rasa) › [Tantric alchemical scriptures and works of the Rasasiddhas](https://indike.org/pramana/in.med.rasa.siddha) › [Rasarnava](https://indike.org/pramana/in.med.rasa.siddha.rasarnava) › 7.21 # Rasarnava 7.21 Rasārṇava 7.21 - **Language:** Sanskrit ### [7.21](https://indike.org/pramana/in.med.rasa.siddha.rasarnava.7.21) kṣārāmlagojalairdhmātaṃ śudhyate ca śilājatu athavā goghṛtenāpi triphaladvyārdrakadravaiḥ lohapātre vinikṣipya śodhayettattu yatnataḥ // > Blown with alkalis, acids, and cow's urine, bitumen is purified; > or indeed, placing it in an iron vessel with cow's ghee > and the juices of triphalā and fresh ginger, one should purify it with effort. > — English (machine translation) (machine translation) - [Previous: 7.20](https://indike.org/pramana/in.med.rasa.siddha.rasarnava.7.20) - [Next: 7.22](https://indike.org/pramana/in.med.rasa.siddha.rasarnava.7.22) - [Up: 7](https://indike.org/pramana/in.med.rasa.siddha.rasarnava.7) ## Translations (1) - [English (machine translation)](https://indike.org/pramana/in.med.rasa.siddha.rasarnava~en-mt.7.21) — English, machine translation --- Source: [https://indike.org/pramana/in.med.rasa.siddha.rasarnava.7.21](https://indike.org/pramana/in.med.rasa.siddha.rasarnava.7.21) · Pramāṇa