[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) › c18.8 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c18.8 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c18.8 - **Language:** English ### [c18.8](https://indike.org/pramana/ins.science.ray-1956.c18.8) 6. As regards the purification of \*ranga\*—tin, (\*gsa'. tshe\*) one is to use \*silarasa\*, gum of liquid \*Amber orientalis\* (\*bori. khu. ba\*) in the same way as before. - [Previous: c18.7](https://indike.org/pramana/ins.science.ray-1956.c18.7) - [Next: c18.9](https://indike.org/pramana/ins.science.ray-1956.c18.9) - [Up: c18](https://indike.org/pramana/ins.science.ray-1956.c18) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c18.8](https://indike.org/pramana/ins.science.ray-1956.c18.8) · Pramāṇa