History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c12.29
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c12.29
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c12.29
| Silica . . | 58.28 | per cent |
| Alumina . | 19.63 | „ |
| Ferric oxide .. | — | — |
| Ferrous oxide . | 8 70 | „ |
| Manganese oxide . | 0.13 | „ |
| Lime | 9.63 | „ |
| Magnesia . | 4.39 | „ |
| Alkalies . | 3.43 | „ |
| Copper oxide . | — | — |
| Water . . | — | — |