| 二氧化锗化学成分分析 chemical composition | |||
| 牌号 grade | geo2-06 | geo2-05 | |
| geo纯度 geo2≥ | 99.9999 | 99.999 | |
|
杂质含量，不大于 %
impurity≤ %
|
as | 1.0*10-5 | 5.0*10-5 |
| fe | 1.0*10-5 | 1.0*10-4 | |
| cu | 1.0*10-6 | 1.0*10-4 | |
| ni | 2.0*10-6 | 2.0*10-5 | |
| pb | 2.0*10-6 | 1.0*10-5 | |
| ca | 1.5*10-5 | 1.0*10-4 | |
| mg | 1.0*10-5 | 1.0*10-4 | |
| si | 2.0*10-5 | 1.0*10-4 | |
| co | 2.0*10-6 | 2.0*10-5 | |
| in | 1.0*10-6 | 5.0*10-5 | |
| zn | 1.5*10-5 | 1.5*10-4 | |
| al | 1.0*10-5 | 1.0*10-4 | |
| 总含量 | 1.0*10-4 | 1.0*10-3 | |
