Table 6 Effects of metal ion on COD activity.
Metal ion (5 mM) | Relative activity (%) |
|---|---|
Control | 100 |
Ca+2 | 98 |
Cu+2 | 96 |
Mg+2 | 100 |
Ni+2 | 99 |
Fe+2 | 98 |
Pb+2 | 65 |
Ag+2 | 55 |
Hg+2 | 50 |
Zn+2 | 65 |
Mn+2 | 99 |
Metal ion (5 mM) | Relative activity (%) |
|---|---|
Control | 100 |
Ca+2 | 98 |
Cu+2 | 96 |
Mg+2 | 100 |
Ni+2 | 99 |
Fe+2 | 98 |
Pb+2 | 65 |
Ag+2 | 55 |
Hg+2 | 50 |
Zn+2 | 65 |
Mn+2 | 99 |