H2O + 20.0 mM   Ca(OH)2

pH = 12.46

  (at 25 °C)
Electrical conductivity:   7592.1 µS/cm   (info)
Ionic strength:   51.484 mmol/L   (info)
Alkalinity:   40.0 meq/L   (info)
Total hardness:   40.0 meq/L   (info)
Carbonate hardness:   40.0 meq/L   (info)
Redox potential (Eh):   -397 mV  



Elements   (in mM)

Ca Ca 2.00e+01

Aqueous Species   (in mM)

H+ 4.05e-10
OH- 3.57e+01
Ca+2 1.57e+01
CaOH+ 4.26e+00
H2 2.21e-12

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Portlandite Ca(OH)2 -0.01 under-saturated

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