[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) › c22.1 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c22.1 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c22.1 - **Language:** English ### [c22.1](https://indike.org/pramana/ins.science.ray-1956.c22.1) Tests for \*killed\* iron (rouge):—\*Killed\* iron (or in general a \*killed\* metal), when heated with silver, does not mix or alloy with it. - [Previous: c21.14](https://indike.org/pramana/ins.science.ray-1956.c21.14) - [Next: c22.2](https://indike.org/pramana/ins.science.ray-1956.c22.2) - [Up: c22](https://indike.org/pramana/ins.science.ray-1956.c22) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c22.1](https://indike.org/pramana/ins.science.ray-1956.c22.1) · Pramāṇa