[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) › c36.5 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c36.5 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c36.5 - **Language:** English ### [c36.5](https://indike.org/pramana/ins.science.ray-1956.c36.5) On an auspicious day and under the influence of a benign star, a quantity of mercury weighing 2000 or 1000 or 100 or 18 or 10 \*palas\* is to be taken and the operation begun. 21-22 - [Previous: c36.4](https://indike.org/pramana/ins.science.ray-1956.c36.4) - [Next: c36.6](https://indike.org/pramana/ins.science.ray-1956.c36.6) - [Up: c36](https://indike.org/pramana/ins.science.ray-1956.c36) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c36.5](https://indike.org/pramana/ins.science.ray-1956.c36.5) · Pramāṇa