Days	       Fe(2)	       Fe(3)	          pH	 si_goethite	
  0.0000e+00	  1.0000e+02	  0.0000e+00	  7.0000e+00	 -9.9990e+01	
  1.1574e-03	  9.8942e+01	  1.0578e+00	  6.0476e+00	  6.6424e+00	
  5.7870e-03	  9.8206e+01	  1.7942e+00	  5.8097e+00	  6.6543e+00	
  4.1667e-02	  9.6592e+01	  3.4082e+00	  5.5247e+00	  6.6602e+00	
  1.6667e-01	  9.4639e+01	  5.3610e+00	  5.3268e+00	  6.6620e+00	
  4.1667e-01	  9.2764e+01	  7.2360e+00	  5.1975e+00	  6.6627e+00	
  1.0000e+00	  9.0358e+01	  9.6422e+00	  5.0750e+00	  6.6632e+00	
  2.0000e+00	  8.7896e+01	  1.2104e+01	  4.9790e+00	  6.6635e+00	
  4.0000e+00	  8.4808e+01	  1.5192e+01	  4.8840e+00	  6.6638e+00	
  6.0000e+00	  8.2651e+01	  1.7349e+01	  4.8290e+00	  6.6639e+00	
  8.0000e+00	  8.0939e+01	  1.9061e+01	  4.7903e+00	  6.6640e+00	
  1.0000e+01	  7.9498e+01	  2.0502e+01	  4.7605e+00	  6.6640e+00