H2O + 0.0293 mM   H2S
+ 111.0001 mM   H2O

pH = 5.75

  (at 25 °C)
Electrical conductivity:   0.7 µS/cm   (info)
Ionic strength:   0.002 mmol/L   (info)
Alkalinity:   0.0 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   0.0 meq/L   (info)
Redox potential (Eh):   -177 mV  



Elements   (in mM)

S S 2.93e-02
S(6) Sulfate 2.41e-09
S(4) Sulfite 5.25e-17
S(-2) Sulfide 2.93e-02

Aqueous Species   (in mM)

H+ 1.78e-03
OH- 5.64e-06
HSO4- 4.15e-13
SO4-2 2.41e-09
H2S 2.75e-02
HS- 1.77e-03
S-2 1.21e-10
HSO3- 5.06e-17
SO3-2 1.93e-18
H2 2.13e-06

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Sulfur S -3.87 under-saturated

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