[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) › c30.6 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c30.6 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c30.6 - **Language:** English ### [c30.6](https://indike.org/pramana/ins.science.ray-1956.c30.6) The best method of killing all the metals is with the aid of the ashes of mercury (generally sulphide of mercury). The next best is through the agency of the roots, whereas \*killing\* with sulphur is least to be recommended. - [Previous: c30.5](https://indike.org/pramana/ins.science.ray-1956.c30.5) - [Next: c30.7](https://indike.org/pramana/ins.science.ray-1956.c30.7) - [Up: c30](https://indike.org/pramana/ins.science.ray-1956.c30) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c30.6](https://indike.org/pramana/ins.science.ray-1956.c30.6) · Pramāṇa