| Zinc ingot(GB/T470-1997) | ||||||||||
| mark | chemical comporsition(%) | |||||||||
| Zn≥ | impurity content≤ | |||||||||
| Pb | Cd | Fe | Cu | Sn | Al | As | Sb | total | ||
| Zn99.995 | 99.995 | 0.003 | 0.002 | 0.001 | 0.001 | 0.001 | | | | 0.005 |
| Zn99.99 | 99.99 | 0.005 | 0.003 | 0.003 | 0.002 | 0.001 | | | | 0.01 |
| Zn99.95 | 99.95 | 0.02 | 0.02 | 0.01 | 0.002 | 0.001 | | | | 0.02 |
| Zn99.5 | 99.5 | 0.3 | 0.07 | 0.04 | 0.002 | 0.002 | 0.01 | 0.005 | 0.01 | 0.5 |
| Zn98.7 | 98.7 | 1 | 0.2 | 0.05 | 0.005 | 0.002 | 0.01 | 0.01 | 0.02 | 1.3 |
