[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.s1.2 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c30.s1.2 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c30.s1.2 - **Language:** English ### [c30.s1.2](https://indike.org/pramana/ins.science.ray-1956.c30.s1.2) Silver melted with lead and borax undergoes purification Arrange on an earthen dish a mixture of lime and ashes in a circular row and place in it silver with its equal weight of lead. Now roast it over fire until the lead is consumed Silver thus purified is to be used for medicinal purposes. 32-34 - [Previous: c30.s1.1](https://indike.org/pramana/ins.science.ray-1956.c30.s1.1) - [Next: c30.s1.3](https://indike.org/pramana/ins.science.ray-1956.c30.s1.3) - [Up: c30.s1](https://indike.org/pramana/ins.science.ray-1956.c30.s1) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c30.s1.2](https://indike.org/pramana/ins.science.ray-1956.c30.s1.2) · Pramāṇa