Table 1. Conversion of Cr(VI) to Cr(III) at different pH. |
pH |
Reduction of Cr(VI) to Cr(III) (mg/L) |
1 |
6.183 |
2 |
3.039 |
3 |
1.013 |
4 |
0.021 |
5 |
0.000 |
6 |
0.000 |
|