[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.t5.63 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t5.63 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t5.63 - **Language:** English ### [v1.c12.t5.63](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t5.63) Brass, smeared with a paste of lemon juice, orpiment and sulphur and roasted 8 times, is reduced to ashes. The process of killing brass is the same as that of copper. 201-202 - [Previous: v1.c12.t5.62](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t5.62) - [Next: v1.c12.t5.64](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t5.64) - [Up: v1.c12.t5](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t5) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v1.c12.t5.63](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t5.63) · Pramāṇa