Table 3 XRF analysis of the raw and cleaned sand
Major elements (wt%) | ||||||
|---|---|---|---|---|---|---|
SiO2 | Al2O3 | K2O | TiO2 | Fe2O3 | CaO | |
Raw sand | 99.1 | 0.88 | 0.42 | 0.10 | 0.09 | 0.03 |
Cleaned sand | 99.2 | 0.89 | 0.42 | 0.09 | 0.09 | 0.03 |
Minor elements (ppm) | ||||||
|---|---|---|---|---|---|---|
Ba | Zr | Sr | Rb | Cr | Pb | |
Raw sand | 105 | 64 | 19 | 14 | 7 | 3 |
Cleaned sand | 102 | 55 | 18 | 13 | 7 | 4 |