H2O + 1.0 mM   (NH4)3PO4
+ 1.0 mM   Al2O3(CaO)3
+ 1.0 mM   NiCO3
+ atmospheric CO2   (pCO2 = 3.408)

pH = 8.54

  (at 25 °C)
Electrical conductivity:   294.6 µS/cm   (info)
Ionic strength:   2.965 mmol/L   (info)
Alkalinity:   5.053 meq/L   (info)
Total hardness:   2.055 meq/L   (info)
Carbonate hardness:   5.053 meq/L   (info)
Redox potential (Eh):   -131 mV  

NOTE:   Four  minerals  precipitate.


Elements   (in mM)

C(4) DIC 2.39e+00
Ca Ca 1.34e-01
Al Al 5.02e-01
Amm Ammonium 3.00e+00
P P 1.98e-03
Ni Ni 1.40e-01

Aqueous Species   (in mM)

H+ 3.05e-06
OH- 3.68e-03
CO2 1.33e-02
HCO3- 2.17e+00
CO3-2 4.21e-02
Ca+2 1.26e-01
CaCO3 5.55e-03
CaHCO3+ 2.75e-03
CaOH+ 6.06e-06
CaH2PO4+ 1.77e-07
CaHPO4 7.59e-05
CaPO4- 6.58e-05
Al+3 2.49e-12
AlOH+2 6.59e-09
Al(OH)2+ 1.50e-05
Al(OH)3 7.23e-04
Al(OH)4- 5.01e-01
NH4+ 2.53e+00
NH3 4.71e-01
H3PO4 2.61e-11
H2PO4- 6.96e-05
HPO4-2 1.77e-03
PO4-3 3.71e-07
Ni+2 6.67e-04
NiOH+ 2.67e-05
Ni(OH)2 6.31e-06
Ni(OH)3- 2.32e-08
NiHCO3+ 1.58e-04
NiCO3 1.30e-01
Ni(CO3)2-2 9.54e-03
H2 1.60e-13

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Calcite CaCO3 0.00 1.20e+00 mM  precipitates
Al(OH)3(a) Al(OH)3 -0.00 1.50e+00 mM  precipitates
Portlandite Ca(OH)2 -9.72 under-saturated
Hydroxyapatite Ca5(PO4)3OH -0.00 3.33e-01 mM  precipitates
Ni(OH)2 Ni(OH)2 -0.00 8.60e-01 mM  precipitates
NiCO3 NiCO3 -3.92 under-saturated
Aragonite CaCO3 -0.14 under-saturated
Vaterite CaCO3 -0.57 under-saturated
CaCO3(a) CaCO3 -2.08 under-saturated
Ikaite CaCO3:6H2O -1.86 under-saturated
Diaspore AlOOH 3.92 super-saturated
Boehmite AlOOH 2.22 super-saturated
Gibbsite Al(OH)3 2.69 super-saturated
Hydroxyapatite(Natur) Ca5(PO4)3OH 3.88 super-saturated
Brushite CaHPO4:2H2O -3.25 under-saturated
Monetite CaHPO4 -2.95 under-saturated
Berlinite AlPO4 -6.13 under-saturated
Whitlockite Ca3(PO4)2 -2.32 under-saturated
Whitlockite(low) Ca3(PO4)2 -0.61 under-saturated
Whitlockite(high) Ca3(PO4)2 -2.34 under-saturated
AlMetal Al -93.52 under-saturated

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