SELECTED_OUTPUT
  -high_precision true
  -reset false
  -kinetic_reactants Barite Celestite
  -saturation_indices Barite Celestite
SOLUTION 1
units	mol/kgw
water	1
temperature	25
pH	7
pe	10.799
Ba	0.1
Cl	0.2
S	1e-9
Sr	1e-9
KINETICS 1
Barite
-m 0.001
-parms 50.  # reactive surface area
-tol 1e-9
Celestite
-m 1
-parms 10.0  # reactive surface area
-tol 1e-9
END