H2O + 3.5221 mM   Na2HPO4
+ 0.0172 mM   K2HPO4
+ 18.6945 mM   NH4Cl

pH = 7.77

  (at 25 °C)
Electrical conductivity:   3078.9 µS/cm   (info)
Ionic strength:   28.238 mmol/L   (info)
Alkalinity:   3.539 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   3.539 meq/L   (info)
Redox potential (Eh):   -104 mV  



Elements   (in mM)

Na Na 7.04e+00
K K 3.44e-02
Cl Cl 1.87e+01
Amm Ammonium 1.87e+01
P P 3.54e+00

Aqueous Species   (in mM)

H+ 1.96e-05
OH- 6.88e-04
NaOH 6.22e-07
Na+ 7.02e+00
NaHPO4- 2.15e-02
KOH 5.89e-09
K+ 3.43e-02
KHPO4- 1.04e-04
Cl- 1.87e+01
NH4+ 1.82e+01
NH3 5.15e-01
H3PO4 1.04e-06
H2PO4- 5.16e-01
HPO4-2 3.00e+00
PO4-3 1.76e-04
H2 7.01e-13

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Halite NaCl -5.60 under-saturated
Sylvite KCl -7.16 under-saturated
Na3PO4(cr) Na3PO4 -18.01 under-saturated
NaMetal Na -46.31 under-saturated
KMetal K -52.23 under-saturated

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