[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) › c21.12 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c21.12 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c21.12 - **Language:** English ### [c21.12](https://indike.org/pramana/ins.science.ray-1956.c21.12) \*Liquefaction of Mica:\*—Thin plates of mica are to be smeared with the three alkalies and borax, and then strongly heated in a crucible The entire mass fuses. \\* \\* \\* \\* \\* 29-30 - [Previous: c21.11](https://indike.org/pramana/ins.science.ray-1956.c21.11) - [Next: c21.13](https://indike.org/pramana/ins.science.ray-1956.c21.13) - [Up: c21](https://indike.org/pramana/ins.science.ray-1956.c21) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c21.12](https://indike.org/pramana/ins.science.ray-1956.c21.12) · Pramāṇa