[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray](https://indike.org/pramana/ins.science.ray-1956) › c30.10 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c30.10 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c30.10 - **Language:** English ### [c30.10](https://indike.org/pramana/ins.science.ray-1956.c30.10) ´In this process gold is, in reality, converted into the sulphide (sulphur comes from \*killed\* mercury which is sulphide of mercury), and afterwards into metallic gold in a fine state of powder. - [Previous: c30.9](https://indike.org/pramana/ins.science.ray-1956.c30.9) - [Next: c30.s1.1](https://indike.org/pramana/ins.science.ray-1956.c30.s1.1) - [Up: c30](https://indike.org/pramana/ins.science.ray-1956.c30) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c30.10](https://indike.org/pramana/ins.science.ray-1956.c30.10) · Pramāṇa