| H2O |
+ |
1.0 mM
FeSO4
|
|
+ |
0.11 mM
HNO3
|
| Electrical conductivity: |
|
261.2 |
µS/cm |
|
(info) |
| Ionic strength: |
|
3.746 |
mmol/L |
|
(info) |
| Alkalinity: |
|
-0.11 |
meq/L |
|
(info) |
| Total hardness: |
|
2.0 |
meq/L |
|
(info) |
| Carbonate hardness: |
|
0.0 |
meq/L |
|
(info) |
| Redox potential (Eh): |
|
78 |
mV |
|
|
Elements (in mM)
| S |
S |
1.00e+00 |
| S(6) |
Sulfate |
1.00e+00 |
| S(4) |
Sulfite |
6.08e-12 |
| S(-2) |
Sulfide |
5.89e-11 |
| Fe |
Fe |
1.00e+00 |
| Fe(2) |
Fe(II) |
1.00e+00 |
| Fe(3) |
Fe(III) |
4.82e-10 |
| N(5) |
Nitrate |
1.10e-01 |
Aqueous Species (in mM)
| H+ |
1.03e-01 |
| OH- |
1.11e-07 |
| Fe+2 |
9.12e-01 |
| FeOH+ |
2.46e-06 |
| Fe(OH)2 |
2.02e-13 |
| FeSO4 |
8.74e-02 |
| FeHSO4+ |
5.95e-05 |
| Fe+3 |
2.45e-12 |
| FeOH+2 |
1.23e-10 |
| Fe(OH)2+ |
3.44e-10 |
| Fe(OH)3 |
4.29e-13 |
| Fe(OH)4- |
4.31e-18 |
| FeSO4+ |
1.16e-11 |
| FeHSO4+2 |
3.66e-15 |
| Fe(SO4)2- |
1.76e-13 |
| HNO3 |
4.96e-07 |
| NO3- |
1.10e-01 |
| HSO4- |
7.01e-03 |
| SO4-2 |
9.05e-01 |
| H2S |
5.89e-11 |
| HS- |
7.44e-14 |
| H2SO3 |
3.97e-14 |
| HSO3- |
6.04e-12 |
| SO3-2 |
5.13e-15 |
| H2 |
1.50e-11 |
| Mineral |
Formula |
SI |
Saturation state |
| Fe(OH)3(a) |
Fe(OH)3 |
-7.70 |
under-saturated
|
| Fe(OH)2 |
Fe(OH)2 |
-9.02 |
under-saturated
|
| JarositeH |
H3OFe3(SO4)2(OH)6 |
-25.40 |
under-saturated
|
| Goethite |
FeOOH |
-1.81 |
under-saturated
|
| Hematite |
Fe2O3 |
-1.61 |
under-saturated
|
| Magnetite |
Fe3O4 |
-4.47 |
under-saturated
|
| Pyrite |
FeS2 |
-6.31 |
under-saturated
|
| FeS(ppt) |
FeS |
-11.38 |
under-saturated
|
| Mackinawite |
FeS |
-10.65 |
under-saturated
|
| Greigite |
Fe3S4 |
-36.39 |
under-saturated
|
| Sulfur |
S |
-7.39 |
under-saturated
|
| FeO |
FeO |
-8.65 |
under-saturated
|
| FeMetal |
Fe |
-21.77 |
under-saturated
|
Disclaimer:
The pH calculator has been tested with great care. Nevertheless, the results are provided without warranty.