History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c15.s1.42
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c15.s1.42
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c15.s1.42
The black polished film has been analysed with the following results: SiO₂, 46.55; FeO, 25.20; Al₂O₃, 15.53; CaO, 4.74; MgO, 3.43; alkalies not determined; H₂O (110°C), 3.45 per cent. (Sanaullah).