Aperture size (µm) | Si | Ca | Mn | Fe | Ni | Cu | Zn | Ag | Au | Pb |
250 | 7.67 | 0.14 | 1.00 | 10.10 | 0.02 | 0.13 | 1.00 | 1.9 | - | 9.80 |
180 | 6.90 | 1.12 | 2.10 | 9.11 | 0.03 | 0.15 | 0.91 | - | - | 10.55 |
125 | 5.73 | 0.10 | 0.04 | 0.38 | 0.02 | 0.01 | 0.21 | 3.00 | - | 6.99 |
90 | 4.11 | - | 0.08 | 1.31 | 0.02 | 0.03 | 0.46 | 2.60 | - | 14.50 |
63 | 4.92 | 0.35 | 0.05 | 11.30 | 0.03 | - | 0.02 | 1.90 | 0.08 | 15.10 |