純金屬
蒸鍍銀
Product Data：
Formula：
| Description | Silver 99.99% |
| Specification | Silver not less than 99.99% |
| Cas Number | 7440-22-4 |
| Size | 3cm*3cm |
Specification：
| element | (ppm)Min |
| Fe | ≦1 |
| Bi | ≦1 |
| Pb | ≦1 |
| Se | ≦1 |
| Cu | ≦1 |
| Te | ≦1 |
| Pd | ≦1 |