H2O + 0.0083 mM   MgSO4
+ 0.0119 mM   NaHCO3
+ 0.009 mM   CaCl2

pH = 7.7

  (at 25 °C)
Electrical conductivity:   5.8 µS/cm   (info)
Ionic strength:   0.072 mmol/L   (info)
Alkalinity:   0.012 meq/L   (info)
Total hardness:   0.035 meq/L   (info)
Carbonate hardness:   0.012 meq/L   (info)
Redox potential (Eh):   605 mV  



Elements   (in mM)

C(4) DIC 1.19e-02
Ca Ca 9.01e-03
Mg Mg 8.31e-03
Na Na 1.19e-02
S S 8.31e-03
S(6) Sulfate 8.31e-03
Cl Cl 1.80e-02
O(0) O(0) 8.41e-12

Aqueous Species   (in mM)

H+ 2.04e-05
OH- 5.01e-04
CO2 5.10e-04
HCO3- 1.14e-02
CO3-2 2.72e-05
Ca+2 8.99e-03
CaSO4 1.37e-05
CaCO3 3.79e-07
CaHSO4+ 1.64e-12
CaHCO3+ 1.25e-06
CaOH+ 7.19e-08
Mg+2 8.29e-03
MgOH+ 1.45e-06
MgCO3 1.99e-07
MgHCO3+ 1.06e-06
MgSO4 1.49e-05
NaOH 1.04e-09
Na+ 1.19e-02
NaHCO3 7.46e-08
NaCO3- 5.80e-09
NaSO4- 4.75e-07
Cl- 1.80e-02
HSO4- 1.58e-08
SO4-2 8.28e-03
O2 4.20e-12

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Calcite CaCO3 -4.17 under-saturated
Gypsum CaSO4:2H2O -5.58 under-saturated
Portlandite Ca(OH)2 -12.47 under-saturated
Brucite Mg(OH)2 -6.55 under-saturated
Halite NaCl -11.26 under-saturated
Thenardite Na2SO4 -14.60 under-saturated
Mirabilite Na2SO4:10H2O -13.80 under-saturated
Nahcolite NaHCO3 -9.33 under-saturated
Trona NaHCO3:Na2CO3:2H2O -26.52 under-saturated
Natron Na2CO3:10H2O -16.13 under-saturated
Thermonatrite Na2CO3:H2O -17.56 under-saturated
Aragonite CaCO3 -4.31 under-saturated
Vaterite CaCO3 -4.73 under-saturated
CaCO3(a) CaCO3 -6.24 under-saturated
Ikaite CaCO3:6H2O -6.02 under-saturated
Anhydrite CaSO4 -5.80 under-saturated
Dolomite CaMg(CO3)2 -8.24 under-saturated
Magnesite MgCO3 -4.65 under-saturated
Glauberite Na2Ca(SO4)2 -19.65 under-saturated
Hydrophilite CaCl2 -26.31 under-saturated
Bischofite MgCl2:6H2O -18.99 under-saturated
Epsomite MgSO4:7H2O -8.06 under-saturated
Antarcticite CaCl2:6H2O -18.65 under-saturated
Sulfur S -92.24 under-saturated
MgMetal Mg -105.04 under-saturated
NaMetal Na -61.01 under-saturated

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