H2O + 11.9038 mM   NaHCO3
+ 3.0825 mM   FeCl3
+ 5.9383 mM   Ca(OH)2

pH = 7.01

  (at 25 °C)
Electrical conductivity:   1661.4 µS/cm   (info)
Ionic strength:   17.826 mmol/L   (info)
Alkalinity:   6.767 meq/L   (info)
Total hardness:   4.111 meq/L   (info)
Carbonate hardness:   6.767 meq/L   (info)
Redox potential (Eh):   650 mV  

NOTE:   Two  minerals  precipitate.


Elements   (in mM)

C(4) DIC 8.02e+00
Ca Ca 2.06e+00
Na Na 1.19e+01
Cl Cl 9.25e+00
Fe Fe 3.99e-05
Fe(2) Fe(II) 1.83e-11
Fe(3) Fe(III) 3.99e-05
O(0) O(0) 1.65e-11

Aqueous Species   (in mM)

H+ 1.08e-04
OH- 1.18e-04
CO2 1.26e+00
HCO3- 6.61e+00
CO3-2 4.68e-03
Ca+2 1.95e+00
CaCO3 5.53e-03
CaHCO3+ 9.88e-02
CaOH+ 2.28e-06
NaOH 1.91e-07
Na+ 1.19e+01
NaHCO3 3.40e-02
NaCO3- 6.21e-04
Fe+2 1.26e-11
FeOH+ 2.84e-14
Fe(OH)2 2.19e-18
FeCO3 5.16e-13
FeHCO3+ 5.09e-12
FeCl+ 9.71e-14
Fe+3 1.95e-13
FeOH+2 7.89e-09
Fe(OH)2+ 1.83e-05
Fe(OH)3 2.13e-05
Fe(OH)4- 2.29e-07
Fe2(OH)2+4 4.96e-18
FeCl+2 2.89e-14
FeCl2+ 7.11e-16
Cl- 9.25e+00
O2 8.26e-12

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Calcite CaCO3 0.00 3.88e+00 mM  precipitates
Fe(OH)3(a) Fe(OH)3 0.00 3.08e+00 mM  precipitates
Portlandite Ca(OH)2 -11.70 under-saturated
Siderite FeCO3 -8.78 under-saturated
Fe(OH)2 Fe(OH)2 -13.98 under-saturated
Halite NaCl -5.66 under-saturated
Nahcolite NaHCO3 -3.67 under-saturated
Trona NaHCO3:Na2CO3:2H2O -12.94 under-saturated
Natron Na2CO3:10H2O -8.21 under-saturated
Thermonatrite Na2CO3:H2O -9.64 under-saturated
Aragonite CaCO3 -0.14 under-saturated
Vaterite CaCO3 -0.57 under-saturated
CaCO3(a) CaCO3 -2.08 under-saturated
Ikaite CaCO3:6H2O -1.86 under-saturated
Goethite FeOOH 5.89 super-saturated
Hematite Fe2O3 13.79 super-saturated
Magnetite Fe3O4 5.96 super-saturated
Hydrophilite CaCl2 -18.86 under-saturated
Antarcticite CaCl2:6H2O -11.21 under-saturated
FeO FeO -13.61 under-saturated
FeMetal Fe -52.07 under-saturated
NaMetal Na -58.82 under-saturated

Disclaimer:   The pH calculator has been tested with great care. Nevertheless, the results are provided without warranty.