| H2O |
+ |
5.0 mM
Na2HPO4
|
|
+ |
5.0 mM
NaH2PO4
|
| Electrical conductivity: |
|
330.6 |
µS/cm |
|
(info) |
| Ionic strength: |
|
3.368 |
mmol/L |
|
(info) |
| Alkalinity: |
|
2.0 |
meq/L |
|
(info) |
| Total hardness: |
|
2.0 |
meq/L |
|
(info) |
| Carbonate hardness: |
|
2.0 |
meq/L |
|
(info) |
| Redox potential (Eh): |
|
-326 |
mV |
|
|
Elements (in mM)
| C(4) |
DIC |
1.00e+00 |
| Fe |
Fe |
1.00e+00 |
| Fe(2) |
Fe(II) |
1.00e+00 |
| Fe(3) |
Fe(III) |
3.10e-05 |
| Amm |
Ammonium |
2.00e+00 |
| N(5) |
Nitrate |
2.00e+00 |
| C(-4) |
Methane |
3.84e-06 |
Aqueous Species (in mM)
| H+ |
1.37e-06 |
| OH- |
8.25e-03 |
| CO2 |
1.86e-03 |
| HCO3- |
6.80e-01 |
| CO3-2 |
2.97e-02 |
| Fe+2 |
5.91e-01 |
| Fe(OH)3- |
2.27e-05 |
| FeOH+ |
1.20e-01 |
| Fe(OH)2 |
7.43e-04 |
| FeCO3 |
2.57e-01 |
| FeHCO3+ |
3.15e-02 |
| FeOH+2 |
8.86e-13 |
| Fe(OH)2+ |
1.88e-07 |
| Fe(OH)3 |
1.76e-05 |
| Fe(OH)4- |
1.32e-05 |
| NH4+ |
1.41e+00 |
| NH3 |
5.85e-01 |
| HNO3 |
1.21e-10 |
| NO3- |
2.00e+00 |
| CH4 |
3.84e-06 |
| H2 |
1.20e-07 |
| Mineral |
Formula |
SI |
Saturation state |
| Fe(OH)3(a) |
Fe(OH)3 |
-0.09 |
under-saturated
|
| Siderite |
FeCO3 |
2.92 |
super-saturated
|
| Fe(OH)2 |
Fe(OH)2 |
0.55 |
super-saturated
|
| Goethite |
FeOOH |
5.81 |
super-saturated
|
| Hematite |
Fe2O3 |
13.62 |
super-saturated
|
| Magnetite |
Fe3O4 |
20.32 |
super-saturated
|
| FeO |
FeO |
0.92 |
super-saturated
|
| FeMetal |
Fe |
-8.30 |
under-saturated
|
Disclaimer:
The pH calculator has been tested with great care. Nevertheless, the results are provided without warranty.