History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s3.19
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s3.19
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c17.s3.19
*The Alkalies* :—"The three alkalies are the borax, trona (natron) and *yavakshara* (carbonate of potash). The ashes of sesamum, *Achyranthes aspera*, *Musa sapientum*, *Butea monosperma*, *Moringa pterygosperma*, *Schrebera swietenioides*, *Raphanus sativus*, *Zingiber officinale*, *Tamarindus indica* and *Ficus religiosa* respectively are regarded as the standard plant ashes".