| Grade |
Ì00K |
Ì0Ê |
M1K |
| Cu content, min |
99.99 |
99.97 |
99.95 |
| Ipurities, max |
| Bi, < |
0.0002 |
0.0005 |
0.001 |
| Se, < |
0.0002 |
- |
- |
| Te, < |
0.0002 |
- |
- |
| Total group 1, max |
0.0003 |
|
|
| Cr, < |
- |
- |
- |
| Mn , < |
- |
- |
- |
| Sb , < |
0.0004 |
0.001 |
0.002 |
| Cd , < |
- |
- |
- |
| As, < |
0.0005 |
0.001 |
0.002 |
| P . < |
- |
0.001 |
0.002 |
| Total group 2, max |
0.0015 |
|
|
| Pb , < |
0.0005 |
0.001 |
0.003 |
| |
| S , < |
0.0015 |
0.002 |
0.004 |
| |
| Sn , < |
- |
0.001 |
0.002 |
| Ni , < |
- |
0.001 |
0.002 |
| Fe , < |
0.001 |
0.001 |
0.003 |
| Si , < |
- |
- |
- |
| Zn , < |
- |
0.001 |
0.003 |
| Co , < |
- |
- |
- |
| Total group 5, max |
0.0020 |
|
|
| Ag , < |
0.002 |
0.002 |
0.003 |
| Total impurities, max |
0.0065 |
0.015 |
0.03 |
| |
| O, max |
0.01 |
0.015 |
0.02 | |
|
|