History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t5.8
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t5.8
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v1.c13.s2.t5.8
| | (1) | (2) | (3) | (4) |
| SiO2 | 62.49 | 53.82 | 57.96 | 64.85 |
| TiO2 | 0.71 | 0.27 | 0.44 | 0.59 |
| Al2O3 | 13.90 | 17.49 | 13.75 | 13.97 |
| FeO | 2.48 | 4.16 | 7.49 | 15.39 |
| MnO | 0.04 | b.d | b.d. | b.d. |
| MgO | 1.44 | 1.29 | 0.93 | 1.35 |
| CaO | 0.64 | 0.34 | 0.39 | 0.70 |
| Na2O | 0.94 | 1.81 | 0.67 | 0.55 |
| K2O | 3.08 | 3.11 | 9.90 | 7.54 |
| P2O5 | N.A. | 0.50 | 0.28 | b.d. |
| Cl | N.A. | 0.16 | b.d. | b.d. |
| S | N.A. | b.d. | b.d. | b.d. |
| ZnO | 2.18 | 3.22 | 0.61 | 0.61 |
| Total | 87.90 | 86.17 | 99.11 | 98.66 |