| 高純銅 險測方式：GDMS, LECO化學成分，不大于，單位[wt%]ppm (lppm=0.0001%) |
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| 產品 | 等級 | Cu (%min) | Ag | Bi | Sb | As | Fe | Ni | Pb | Sn | S | Zn | Cd | P | O |
| 國標TU00 | 4N | 99.99 | 25 | 1 | 4 | 5 | 10 | 10 | 5 | 2 | 15 | 1 | 1 | 3 | 5 |
| 4N銅 | 4N | 99.99 | 20 | 5 | 4 | 5 | 10 | 10 | 5 | 2 | 10 | 5 | 1 | 3 | 5 |
| 5N銅 | 5N | 99.999 | 10 | 1 | 1 | 1 | 1 | 1 | 3 | 0.3 | 1 | 0.5 | 0.1 | 1.5 | 5 |
| 6N銅 | 6N | 99.9999 | 0.3 | 0.01 | 0.02 | 0.02 | 0.2 | 0.1 | 0.05 | 0.1 | 0.05 | 0.1 | 0.05 | 0.02 | 1 |
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