[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.t3.23 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t3.23 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t3.23 - **Language:** English ### [v1.c12.t3.23](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t3.23) Tālaka is to be rubbed with buffalo's urine and thrice macerated in the decoction of \*butea frondosa\* of the consistency of honey, and then to be roasted in a covered crucible and powdered. This operation is to be repeated twelve times. It is then fit to be used in medicines.² 74-75 - [Previous: v1.c12.t3.22](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t3.22) - [Next: v1.c12.t3.24](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t3.24) - [Up: v1.c12.t3](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t3) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v1.c12.t3.23](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t3.23) · Pramāṇa