| Sl. No. | Elements | Unit | specification | cathode |
|---|---|---|---|---|
| 1 | Co | % | 0. 15 max | 0. 1300 |
| 2 | Cu | % | 0. 02 max | 0.0900 |
| 3 | Fe | % | 0. 02 max | 0. 0046 |
| 4 | Mn | % | <0. 005 | 0. 0002 |
| 5 | As | % | <0.005 | 0. 0004 |
| 6 | Pb | % | <0.005 | 0.0347 |
| 7 | Sb | % | <0. 005 | 0. 0020 |
| 8 | Bi | % | <0. 005 | 0. 0035 |
| 9 | Sn | % | <0. 005 | 0. 0006 |
| 10 | Zn | % | <0.005 | 0. 0014 |
| 11 | Cd | % | <0. 005 | 0 0029 |
| 12 | c | % | 0.03 max | 0. 0300 |
| 13 | s | % | 0.01 max | 0. 0100 |
| 14 | P | % | <0.005 | 0.0020 |
| 15 | Si | % | <0 005 | 0 0030 |
| 16 | Ni Purity | % | 99.8 | 99.68 |