[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D.](https://indike.org/pramana/ins.science.ray-1902) › v2.c34.285 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c34.285 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c34.285 - **Language:** English ### [v2.c34.285](https://indike.org/pramana/ins.science.ray-1902.v2.c34.285) These compound forms, as before, are supposed to exercise their specific energies actively. Others again hold that the Mahábhútas—Tejas, Ap and Earth alone are compounded by a process named Trivrit-karana (triplication). Thus T = t₂ ( ap₁. e₁), AP = ap₂ ( t₁. e₁), E = e₂ ( t₁. ap₁). - [Previous: v2.c34.284](https://indike.org/pramana/ins.science.ray-1902.v2.c34.284) - [Next: v2.c34.286](https://indike.org/pramana/ins.science.ray-1902.v2.c34.286) - [Up: v2.c34](https://indike.org/pramana/ins.science.ray-1902.v2.c34) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v2.c34.285](https://indike.org/pramana/ins.science.ray-1902.v2.c34.285) · Pramāṇa