[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.c21.5 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c21.5 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c21.5 - **Language:** English ### [v1.c21.5](https://indike.org/pramana/ins.science.ray-1902.v1.c21.5) Another work of the Iatro-chemical period, "Rasendrasārasamgraha" describes the following process for obtaining the \*svetabhasma\* or white ash. "Rub mercury repeatedly with \*pāmsu\* salt (i. e. audbhida salt : see p. 243) and the juice of \*Euphorbia neriifolia\*; place the mixture inside an iron bottle, the mouth of which is closed with a piece of chalk. The bottle is embedded in a mass of salt (cf. the salt-bath, p. 123) and then fire is urged for an entire day. The white deposit in the neck of the bottle is to be collected."¹ - [Previous: v1.c21.4](https://indike.org/pramana/ins.science.ray-1902.v1.c21.4) - [Next: v1.c21.6](https://indike.org/pramana/ins.science.ray-1902.v1.c21.6) - [Up: v1.c21](https://indike.org/pramana/ins.science.ray-1902.v1.c21) ## Cites (1) - [Rasendrasārasaṃgraha (Gopāla Kṛṣṇā)](https://indike.org/pramana/in.med.rasa.cikitsa.rasendrasarasamgraha) — Gopāla Kṛṣṇā 1800, Sanskrit --- Source: [https://indike.org/pramana/ins.science.ray-1902.v1.c21.5](https://indike.org/pramana/ins.science.ray-1902.v1.c21.5) · Pramāṇa