Table 5.
Analysis of variance on degradation of colistin by ferrate (VI) in the presence of humic acida.
| Concentration of humic acid (mg L−1) | N | Subset of alpha = 0.05 (Degradation rate,%)b 1 |
|---|---|---|
| 5.00 | 3 | 99.6582 |
| 0.00 | 3 | 99.6647 |
| 1.00 | 3 | 99.6786 |
| 15.0 | 3 | 99.6920 |
| 30.0 | 3 | 99.6925 |
| 60.0 | 3 | 99.7088 |
| Significance | 0.124 |
a
Experimental conditions: initial colistin concentration = 30 μmol L−1; the molar ratio [Fe(VI)]/(colistin) = 30; initial pH = 7.0; temperature = 25°C, reaction duration = 60 min.
b
Group mean values in a subset of the same type are displayed.