[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.t11.2 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t11.2 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t11.2 - **Language:** English ### [v1.c12.t11.2](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t11.2) There are 3 natural impurities in quciksilver, visha (poison), vanhi (fire) and mala (dirt, dregs) and two artificial, due to its being alloyed with lead and tin.¹ 14-15 - [Previous: v1.c12.t11.1](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t11.1) - [Next: v1.c12.t11.3](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t11.3) - [Up: v1.c12.t11](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t11) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v1.c12.t11.2](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t11.2) · Pramāṇa