
| No. | Item | Standard Specification | ||
| 1 | Bismuth ≥ | 5N | 6N | |
| 99.999% | 99.9999% | |||
| 2 | Impurity PPMwt Max Each |
Cd | 0.2 | 0.10 |
| Au | 0.2 | - | ||
| Ni | 0.2 | 0.05 | ||
| Zn/Al/Mg | 0.5 | 0.10 | ||
| Pb | 0.5 | 0.10 | ||
| Fe/ /As | 0.5 | 0.10 | ||
| Sn/Cr | 0.5 | - | ||
| Ag/Cu | 1.0 | 0.02 | ||
| Total | 10ppm | 1.0ppm | ||
| 3 | Size | 65x10x15mm/110g or 50x10x100mm/450g bar, or 1kg Chunk | ||
| 4 | Packing | 0.5kg, 1kg in sealed plastic bag, carton box outside. | ||