[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) › c15.93 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c15.93 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c15.93 - **Language:** English ### [c15.93](https://indike.org/pramana/ins.science.ray-1956.c15.93) "A young \*Butea frondosa\* is to be cut to pieces, dried and finally reduced to ashes. The ash is lixiviated with four or six times its weight of water and strained twenty-one times through linen." - [Previous: c15.92](https://indike.org/pramana/ins.science.ray-1956.c15.92) - [Next: c15.94](https://indike.org/pramana/ins.science.ray-1956.c15.94) - [Up: c15](https://indike.org/pramana/ins.science.ray-1956.c15) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c15.93](https://indike.org/pramana/ins.science.ray-1956.c15.93) · Pramāṇa