Table 3 Kinetic parameters determined from the reaction progress variable α.
From: Greigite: a true intermediate on the polysulfide pathway to pyrite
Temperature (°C) | Rate constants (s-1) |  |  |  |
|---|---|---|---|---|
| Â | k-mack | k+grei | k-grei | k+pyr |
200a) | -1.35*10-3 (± 1.6*10-4) | 2.07*10-3 (± 1.2*10-4) | -2.08*10-5 (± 9.7*10-6) | 1.38*10-4 (± 4.9*10-6) |
200a) | -2.50*10-3 (± 3.2*10-4) | 4.75*10-3 (± 9.5*10-4) | -2.45*10-4 (± 6.7*10-6) | 1.87*10-4 (± 5.0*10-6) |
175 | -2.05*10-3 (± 1.2*10-4) | n.a.b) | -3.33*10-4 (± 8.3*10-5) | 3.72*10-4 (± 1.18*10-5) |
|  |  |  |  | 9.34*10-5 (± 1.57*10-5) |
150 | -5.90*10-4 (± 4.1*10-5) | 1.20*10-3 (± 2.0*10-5) | -1.47*10-4 (± 3.3*10-5) | 9.55*10-4 (± 1.62*10-4) |
|  |  |  |  | 5.5*10-5 (± 6.12*10-6) |
125 | -1.58*10-4 (± 8.3*10-6) | n.a. | n.a. | 1.82*10-4 (± 1.12*10-5) |
100 | -1.35*10-5 (± 2.0*10-6) | n.a. | n.a. | 8.15*10-5 (± 1.3*10-5)c) |