[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D.](https://indike.org/pramana/ins.science.ray-1902) › v1.c12.t2.20 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t2.20 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t2.20 - **Language:** English ### [v1.c12.t2.20](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.20) Vaikrānta is purified by being heated three days with the salts and the alkalies or by digestion with the acids, urines or a decoction of dolichos uniflorus and the plantain or of paspalum scrobiculatum. It is killed by being roasted in a covered crucible eight times in combination with sulphur and lemon juice and pasp. scrobi. 67-68 - [Previous: v1.c12.t2.19](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.19) - [Next: v1.c12.t2.21](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.21) - [Up: v1.c12.t2](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2) ## Cites (1) - [Rasaratnasamuccaya](https://indike.org/pramana/in.med.rasa.samuccaya.pramukha.rasaratnasamuccaya) — Vāgbhaṭa (alchemist), Sanskrit --- Source: [https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.20](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.20) · Pramāṇa