[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) › c22.5 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c22.5 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c22.5 - **Language:** English ### [c22.5](https://indike.org/pramana/ins.science.ray-1956.c22.5) Tin also, similarly treated, will yield a \*chapala\*, which, on merely being touched with the hand, kills or fixes mercury. This mercury is recommended for metallurgical and not for chemical purposes. - [Previous: c22.4](https://indike.org/pramana/ins.science.ray-1956.c22.4) - [Next: c22.6](https://indike.org/pramana/ins.science.ray-1956.c22.6) - [Up: c22](https://indike.org/pramana/ins.science.ray-1956.c22) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c22.5](https://indike.org/pramana/ins.science.ray-1956.c22.5) · Pramāṇa