Standard | Composizione chimica (%) | ||||||||
Mg≥ | Al | Mn | Si | Fe | Cl | Cu | Ni | altre impurità | |
mg9998 | 99.98 | 0.004 | 0.002 | 0.003 | 0.002 | 0.002 | 0.0005 | 0.0005 | 0.005 |
mg9995 | 99.95 | 0.01 | 0.01 | 0.01 | 0.003 | 0.003 | 0.002 | 0.001 | 0.005 |
mg9990 | 99.90 | 0.02 | 0.03 | 0.02 | 0.04 | 0.005 | 0.004 | 0.001 | 0.01 |
mg9980 | 99.80 | 0.05 | 0.05 | 0.03 | 0.05 | 0.005 | 0.02 | 0.002 | 0.05 |