7N Grade(99.99999%)
| Purity | wt% | 99.99999 up | |||||
|---|---|---|---|---|---|---|---|
| Impurity | ppm(wt) | Element | Standard | D.Limit | Element | Standard | D.Limit |
| F Na Mg Al Si S Cl K Ca Cr Fe Ni |
< 0.01 < 0.05 < 0.05 < 0.05 < 0.05 < 0.03 < 0.05 < 0.05 < 0.05 < 0.03 < 0.05 < 0.01 |
0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 |
Cu Zn As Se Ag Cd Sn Te Tl Pb Bi |
< 0.01 < 0.01 < 0.05 < 0.01 < 0.01 < 0.01 < 0.01 < 0.01 < 0.01 < 0.01 < 0.01 |
0.01 0.01 0.01 0.01 0.01 0.05 0.01 0.01 0.01 0.01 0.01 |
||
* D.Limit = Detection Limit
6N Grade(99.9999%)
| Purity | wt% | 99.9999 up | |||||
|---|---|---|---|---|---|---|---|
| Impurity | ppm(wt) | Element | Standard | D.Limit | Element | Standard | D.Limit |
| F Na Mg Al Si S Cl K Ca Cr Fe Ni |
< 0.1 < 0.1 < 0.1 < 0.1 < 0.2 < 0.1 < 0.3 < 0.1 < 0.1 < 0.1 < 0.1 < 0.1 |
0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 |
Cu Zn As Se Ag Cd Sn Te Tl Pb Bi< |
< 0.05 < 0.05 < 0.2 < 0.05 < 0.05 < 0.1 < 0.1 < 0.1 < 0.1 < 0.1 < 0.1 |
0.01 0.01 0.01 0.01 0.01 0.05 0.01 0.01 0.01 0.01 0.01 |
||
* D.Limit = Detection Limit