[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) › v2.c34.219 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c34.219 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c34.219 - **Language:** English ### [v2.c34.219](https://indike.org/pramana/ins.science.ray-1902.v2.c34.219) The Rasárnava (circa 1200 A. D.) notices the colours of metallic flames, probably after Patañjali; e. g. copper gives blue flame; - tin, pigeon-coloured; lead, pale; iron, tawny; blue vitriol, red. It may be noted that the Rasárnava regards mercury as a penta-Bhautic substance. - [Previous: v2.c34.218](https://indike.org/pramana/ins.science.ray-1902.v2.c34.218) - [Next: v2.c34.220](https://indike.org/pramana/ins.science.ray-1902.v2.c34.220) - [Up: v2.c34](https://indike.org/pramana/ins.science.ray-1902.v2.c34) ## Cites (1) - [Rasārṇava](https://indike.org/pramana/in.med.rasa.siddha.rasarnava) — Sanskrit --- Source: [https://indike.org/pramana/ins.science.ray-1902.v2.c34.219](https://indike.org/pramana/ins.science.ray-1902.v2.c34.219) · Pramāṇa