H2O + 2.9343 mM   H2S

pH = 4.74

  (at 25 °C)
Electrical conductivity:   7.6 µS/cm   (info)
Ionic strength:   0.018 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):   -117 mV  



Elements   (in mM)

S S 2.93e+00
S(6) Sulfate 2.30e-09
S(4) Sulfite 5.00e-16
S(-2) Sulfide 2.93e+00

Aqueous Species   (in mM)

H+ 1.84e-02
OH- 5.51e-07
HSO4- 4.01e-12
SO4-2 2.29e-09
H2S 2.92e+00
HS- 1.84e-02
S-2 1.23e-10
HSO3- 4.98e-16
SO3-2 1.87e-18
H2 2.17e-06

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Sulfur S -1.86 under-saturated

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