元素 | Zn | Sn | Fe | Cu | Pb | As | MgO | CaO | Al2O3 | SiO2 |
含量(%) | 4.71 | 0.58 | 18.00 | 0.19 | 0.026 | 0.18 | 7.81 | 6.80 | 3.65 | 20.32 |