H2O + 1.0 mM   (NH4)2SO4
+ 1.0 mM   (NH4)2HPO4

pH = 7.87

    (at 25 °C)
Electrical conductivity:   483.6  µS/cm   (info)
Ionic strength:   5.635  mmol/L   (info)
Alkalinity:   1.0  meq/L   (info)
Total hardness:   0.0  meq/L   (info)
Carbonate hardness:   1.0  meq/L   (info)
Redox potential (Eh):   605  mV  

Elements   (in mM)
S S 1.00e+00
S(6) Sulfate 1.00e+00
Amm Ammonium 4.00e+00
P P 1.00e+00
O(0) O(0) 4.06e-11
Aqueous Species   (in mM)
H+ 1.46e-05
OH- 7.98e-04
NH4+ 3.82e+00
NH3 1.48e-01
NH4SO4- 3.46e-02
HSO4- 1.01e-06
SO4-2 9.65e-01
H3PO4 2.58e-07
H2PO4- 1.48e-01
HPO4-2 8.52e-01
PO4-3 4.19e-05
O2 2.03e-11
Minerals   (Ksp values)
Mineral Formula SI Saturation state
Sulfur S -91.66 under-saturated

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