Table 2. Chemical Composition of Quartz Sand.
| SiO2 | Fe2O3 | Al2O3 | MgO | K2O | TiO2 | others | |
|---|---|---|---|---|---|---|---|
| % | 99.35 | 0.02 | 0.18 | 0.01 | 0.21 | 0.19 | 0.04 |
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