Table 2 Kinetic values for experimental sets of data for this study
From: Phenylalanine as a hydroxyl radical-specific probe in pyrite slurries
Experiment Set | [Phe]o | [pyr] | R o | k' | Obs. half-life | Calc. half-life | half-life | ln[Phe]/t |
|---|---|---|---|---|---|---|---|---|
|  | (μM) | (g/L) | (μM/hr) | (hr-1) | (hr) | (hr) | Ratio | R2 - correl. |
A | 26.6 | 100 | 4.01 | 0.447 | 3.3 | 1.6 | 0.47 | 0.9627 |
K pyr = 0.122 μmol g-1 hr-1 | 103 | 100 | 9.32 | 0.157 | 5.5 | 4.4 | 0.80 | 0.9849 |
| Â | 307 | 100 | 10.3 | 0.040 | 18.0 | 17.3 | 0.96 | 0.9994 |
B | 12.5 | 100 | 1.43 | 0.642 | 3.5 | 1.1 | 0.31 | 0.9293 |
K pyr = 0.079 μmol g-1 hr-1 | 37.1 | 100 | 3.17 | 0.199 | 6.0 | 3.5 | 0.58 | 0.9498 |
| Â | 97.8 | 100 | 3.63 | 0.093 | 14.0 | 7.5 | 0.53 | 0.9717 |
| Â | 402 | 100 | 4.69 | 0.025 | 35.0 | 27.7 | 0.79 | 0.9768 |
| Â | 1130 | 100 | 4.57 | 0.008 | 90.0 | 86.6 | 0.96 | 0.9422 |
C | 1 | 100 | 0.79 | -- | -- | -- | -- | -- |
| Â | 3 | 100 | 2.05 | -- | -- | -- | -- | -- |
| Â | 10 | 100 | 5.65 | -- | -- | -- | -- | -- |
| Â | 30 | 100 | 10.2 | -- | -- | -- | -- | -- |
| Â | 100 | 100 | 16.3 | -- | -- | -- | -- | -- |
D | 10.9 | 25 | + 4.59 | 0.400 | 1.5 | 1.7 | 1.16 | 0.9917 |
K pyr = 0.165 μmol g-1 hr-1 | 11.4 | 50 | + 6.86 | 0.844 | 0.8 | 0.8 | 1.03 | 0.9969 |
| Â | 11.4 | 100 | + 8.57 | 1.39 | 0.7 | 0.5 | 0.71 | -- |
| Â | 28.5 | 25 | 4.74 | 0.156 | 3.6 | 4.4 | 1.23 | 0.9935 |
| Â | 29.5 | 50 | 9.53 | 0.283 | 2.0 | 2.4 | 1.22 | 0.9975 |
| Â | 28.6 | 100 | + 15.3 | 0.559 | 0.9 | 1.2 | 1.38 | 0.9915 |
| Â | 93.9 | 25 | 4.15 | 0.041 | 16.8 | 16.9 | 1.01 | 0.9907 |
| Â | 91.9 | 50 | 8.65 | 0.077 | 8.5 | 9.0 | 1.06 | 0.9909 |
| Â | 94.5 | 100 | 18.9 | 0.143 | 3.8 | 4.8 | 1.28 | 0.9932 |
| Â | 286 | 25 | 3.83 | 0.014 | 38.6 | 49.5 | 1.28 | 0.9426 |
| Â | 282 | 50 | 6.45 | 0.025 | 23.2 | 27.7 | 1.19 | 0.9942 |
| Â | 286 | 100 | 17.1 | 0.047 | 15.1 | 14.7 | 0.98 | 0.9916 |
E | 8.7 | 5 | 0.11 | 0.017 | 28.0 | 40.8 | 1.46 | 0.8834 |
K pyr = 0.021 μmol g-1 hr-1 | 9.4 | 10 | 0.2 | 0.042 | 16.5 | 16.5 | 1.00 | 0.9611 |
| Â | 9.3 | 25 | 0.40 | 0.092 | 10.0 | 7.5 | 0.75 | 0.9000 |
| Â | 10.4 | 50 | 0.84 | 0.130 | 6.6 | 5.3 | 0.81 | 0.9529 |
| Â | 10.4 | 100 | 1.38 | 0.174 | 4.5 | 4.0 | 0.89 | 0.9880 |
F | 81.7 | 10 | 0.88 | 0.007 | 70 | 99.0 | 1.41 | 0.9863 |
| Â | 107 | 10 (14 m 2 /g) | 9.38 | 0.116 | 6 | 6.0 | 1.00 | 0.9993 |
G | 98.8 | 50 | 15.1 | 0.079 | 5.5 | 8.8 | 1.59 | 0.9854 |
| Â | [o-Tyr]o 94.0 | 50 | 14.9 | 0.081 | 5.5 | 8.6 | 1.56 | 0.9941 |
| Â | [m-Tyr]o97.6 | 50 | 21.1 | 0.166 | 3 | 4.2 | 1.39 | 0.9945 |
| Â | [p-Tyr]o 97.7 | 50 | 21.2 | 0.163 | 3 | 4.3 | 1.42 | 0.9922 |
|  |  |  |  |  | Average R 2 (sets A, B, D, E, F) | 0.97 ± 0.03 | ||