H2O + 0.0426 mM   NaCyanide
+ 0.129 mM   NaOH
+ atmospheric CO2   (pCO2 = 3.408)

pH = 7.45

  (at 25 °C)
Electrical conductivity:   16.1 µS/cm   (info)
Ionic strength:   0.172 mmol/L   (info)
Alkalinity:   0.129 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   0.129 meq/L   (info)
Redox potential (Eh):   -104 mV  

(NOTE: No   preselected minerals   precipitate.)


Elements   (in mM)

C(4) DIC 1.84e-01
Na Na 1.72e-01
Cyanide Cyanide 4.26e-02

Aqueous Species   (in mM)

H+ 3.58e-05
OH- 2.88e-04
CO2 1.33e-02
HCO3- 1.70e-01
CO3-2 2.37e-04
NaOH 8.52e-09
Na+ 1.72e-01
NaHCO3 1.59e-05
NaCO3- 7.12e-07
H2 2.89e-12
CN- 7.01e-04
HCN 4.19e-02

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Nahcolite NaHCO3 -7.00 under-saturated
Trona NaHCO3:Na2CO3:2H2O -20.95 under-saturated
Natron Na2CO3:10H2O -12.89 under-saturated
Thermonatrite Na2CO3:H2O -14.32 under-saturated
NaMetal Na -47.87 under-saturated

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