[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) › c23.4 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c23.4 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c23.4 - **Language:** English ### [c23.4](https://indike.org/pramana/ins.science.ray-1956.c23.4) \*Extraction of Zinc from Calamine\* :—The process given is almost identical with that described in Rasaratnasamuchchaya of Iatrochemical Period (\*vide infra\*). The essence of \*rasaka\* possessing the lustre of lead runs out of the crucible. - [Previous: c23.3](https://indike.org/pramana/ins.science.ray-1956.c23.3) - [Next: c23.5](https://indike.org/pramana/ins.science.ray-1956.c23.5) - [Up: c23](https://indike.org/pramana/ins.science.ray-1956.c23) ## Linked texts (1) - [Rasaratnasamuccaya](https://indike.org/pramana/in.med.rasa.rasaratnasamuccaya) — Vāgbhaṭa (alchemist), Sanskrit --- Source: [https://indike.org/pramana/ins.science.ray-1956.c23.4](https://indike.org/pramana/ins.science.ray-1956.c23.4) · Pramāṇa