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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)    
  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)
  1. a) The reaction at 200°C was conducted in duplicate. b) n.a.: not available. c) Reaction was interrupted before completion.
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