[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.c32.s14.22 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c32.s14.22 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c32.s14.22 - **Language:** English ### [v2.c32.s14.22](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s14.22) One part of gold and four parts of zinc are to be melted together and the alloy roasted in a closed crucible . . . . the process repeated with the addition of alkalies . . . . gold of a reddish yellow colour will thus be generated. 11-17 - [Previous: v2.c32.s14.21](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s14.21) - [Next: v2.c32.s14.23](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s14.23) - [Up: v2.c32.s14](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s14) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v2.c32.s14.22](https://indike.org/pramana/ins.science.ray-1902.v2.c32.s14.22) · Pramāṇa