Table 3.
Analysis of variance on degradation of colistin by ferrate (VI) at different pH valuesa.
| pH | N | Subset of alpha = 0.05 (Degradation rate,%)b | ||
|---|---|---|---|---|
| 1 | 2 | 3 | ||
| 10.0 | 2 | 89.6829 | ||
| 5.00 | 3 | 94.0103 | ||
| 8.00 | 3 | 94.5154 | ||
| 9.00 | 3 | 94.5998 | ||
| 6.00 | 3 | 94.6629 | ||
| 7.00 | 3 | 96.6167 | ||
| Significance | 1.000 | 0.293 | 1.000 | |
a
Experimental conditions: initial colistin concentration = 30 μmol L−1; the molar ratio [Fe(VI)]/(colistin) = 30; initial pH = 5.0–10.0; temperature = 25°C; reaction duration = 60 min.
b
Group mean values in a subset of the same type are displayed.