[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) › c36.s5.4 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c36.s5.4 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c36.s5.4 - **Language:** English ### [c36.s5.4](https://indike.org/pramana/ins.science.ray-1956.c36.s5.4) Description for preparing mineral acids by distillation :—\*Samkhadravarasa\* or liquid for dissolving conch-shells ; this is to be prepared by distilling a mixture of alum, sal-ammoniac, saltpetre and sulphur. Cowrie-shells and metals dropped into the liquid are at once dissolved. - [Previous: c36.s5.3](https://indike.org/pramana/ins.science.ray-1956.c36.s5.3) - [Next: c36.s5.5](https://indike.org/pramana/ins.science.ray-1956.c36.s5.5) - [Up: c36.s5](https://indike.org/pramana/ins.science.ray-1956.c36.s5) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c36.s5.4](https://indike.org/pramana/ins.science.ray-1956.c36.s5.4) · Pramāṇa