Significance of Valukayantra
Valukayantra is defined as an apparatus utilized in Ayurvedic practices, primarily for the gradual heating of ingredients. It serves multiple purposes, including its use in the preparation of Khageshwara Rasa, where precise heat application is essential. Additionally, Valukayantra refers to an iron vessel filled with sand that aids in the heating process for Rajata Sindura preparation, showcasing its crucial role in the meticulous procedures of Ayurvedic medicine.
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The concept of Valukayantra in local and regional sources
Valukayantra, or the "sand apparatus," is an alchemical device mentioned in the Majmu‘a-yi Żiya’i, primarily employed for the purification of mercury, highlighting its significance in traditional alchemical practices.
From: History of Science in South Asia
(1) This is an alchemical apparatus, the "sand apparatus", used to purify mercury, which is described in the Majmu‘a-yi Żiya’i.[1]