[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) › v1.c11.t9 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c11.t9: Calx of Silver A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c11.t9 - **Language:** English ### Calx of Silver ### [v1.c11.t9.1](https://indike.org/pramana/ins.science.ray-1902.v1.c11.t9.1) In a preparation named "yogarāja" रूप्यमल or calx of silver (probably in the shape of sulphide) figures as a component. ### [v1.c11.t9.2](https://indike.org/pramana/ins.science.ray-1902.v1.c11.t9.2) Chemistry in Rasarnava ### [v1.c11.t9.3](https://indike.org/pramana/ins.science.ray-1902.v1.c11.t9.3) \[In Rasārnava, as in all other Tantras, knowledge is imparted in the shape of a dialogue between Bhairava (Siva) and his consort Pārvatī.\] --- Source: [https://indike.org/pramana/ins.science.ray-1902.v1.c11.t9](https://indike.org/pramana/ins.science.ray-1902.v1.c11.t9) · Pramāṇa