[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) › c96.1 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c96.1 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c96.1 - **Language:** English ### [c96.1](https://indike.org/pramana/ins.science.ray-1956.c96.1) Early Dynastic Period, 7. Earth, 43-45, 288; atom, 263; bhuta, 271; substances, 275, 276. Ego, 248. Egyptian culture, 10 Efficient causes, 273 Effects, heteropathic, 290. Electrum, 29. Elementary substances, 45 Elements, according to Charaka, 62; and compounds, 272; according to Samkhya, 43, of polity, 214. Elixir vitae, 158, 166 Emerald, 56 Enamelling, 218. Energy, 244-46, 281, conservation of, 244, 247, 251, dissipation of, 244, 249, 257, kinetic, 245; liberation of, 251; modes of, 251; potential form of, 152, 245, 251; transformation of, 161, 244, 249, 251. Entropy, 257. - [Previous: c95.1](https://indike.org/pramana/ins.science.ray-1956.c95.1) - [Next: c96.2](https://indike.org/pramana/ins.science.ray-1956.c96.2) - [Up: c96](https://indike.org/pramana/ins.science.ray-1956.c96) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c96.1](https://indike.org/pramana/ins.science.ray-1956.c96.1) · Pramāṇa