阴极铜（铜-CATH-1）
规格
| 元素 | 组成 (%) | |
|---|---|---|
| Cu | - | |
| Ag | max 0.00250 | |
| As | max 0.00050 | 1* |
| Bi | max 0.00020 | 2* |
| Cd | - | 1* |
| Co | - | 3* |
| Cr | - | 1* |
| Fe | max 0.00100 | 3* |
| Mn | - | 1* |
| Ni | - | 3* |
| P | - | 1* |
| Pb | max 0.00050 | |
| S | max 0.00150 | 4* |
| Sb | max 0.00040 | 1* |
| Se | max 0.00020 | 2* |
| Si | - | 3* |
| Sn | - | 3* |
| Te | max 0.00020 | 2* |
| Zn | - | 3* |
| Sum of elements listed in this table other than Cu | max 0.00650 |
- 1* (As + Cd + Cr + Mn + P + Sb) maximum 0.0015%
- 2* (Bi + Se + Te) maximum 0.0003%, of which (Se + Te) maximum 0.00030%
- 3* (Co + Fe + Ni + Si + Sn + Zn) maximum 0.0020%
- 4* The Sulphur content shall be determined on a cast sample