[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) › c17.s3.12 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s3.12 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s3.12 - **Language:** English ### [c17.s3.12](https://indike.org/pramana/ins.science.ray-1956.c17.s3.12) "For the purification of silver, the crucible is best made of two parts of the ashes of \*Schrebera swietenioides\*, and one part each of brick dust and earth." - [Previous: c17.s3.11](https://indike.org/pramana/ins.science.ray-1956.c17.s3.11) - [Next: c17.s3.13](https://indike.org/pramana/ins.science.ray-1956.c17.s3.13) - [Up: c17.s3](https://indike.org/pramana/ins.science.ray-1956.c17.s3) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c17.s3.12](https://indike.org/pramana/ins.science.ray-1956.c17.s3.12) · Pramāṇa