| Mineral: |
Pyrite |
| Reference: |
NMDCS06 |
| SCM Type: |
DDL - Diffuse Double Layer
|
| Ionic Strength: |
0.0 mol/L of
NaCl
|
| Site Type: |
»Fe(II)-OH |
| PZC: |
|
| pK1: |
|
pK1°I=0 (Conversion to I = 0): |
|
|
| pK2: |
3.12 |
pK2°I=0 (Conversion to I = 0): |
3.12 |
pK22.31 nm−2 (normalized): |
2.16 |
| Site Density in nm-2: |
21.0772 |
| Original Site Density: |
0.000028 mol / g solid
|
| Solid/Liquid Ratio in g/L: |
8.0 |
| pH Range: |
3-11 |
| Temperature in K: |
|
| Method for Site Density: |
Mean of Different Sources |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | FITEQL |
| Comment: |
experiments in 0.05M solution of NaCl, oxidized pyrite (=X-SH represents pure pyrite, =Y-OH represents oxidized pyrite); in NH3Cl solution SSD of =Fe(II)-OH sites 1.86+-0.04 E-5 mol/g solid (logK of Sr sorption were kept constant) |
| |
| Mineral: |
Pyrite |
| Reference: |
NMDCS06 |
| SCM Type: |
DDL - Diffuse Double Layer
|
| Ionic Strength: |
0.0 mol/L of
NaCl
|
| Site Type: |
»Fe(II)-SH |
| PZC: |
|
| pK1: |
|
pK1°I=0 (Conversion to I = 0): |
|
|
| pK2: |
6.45 |
pK2°I=0 (Conversion to I = 0): |
6.45 |
pK22.31 nm−2 (normalized): |
5.49 |
| Site Density in nm-2: |
21.0772 |
| Original Site Density: |
0.000028 mol / g solid
|
| Solid/Liquid Ratio in g/L: |
8.0 |
| pH Range: |
3-11 |
| Temperature in K: |
|
| Method for Site Density: |
Mean of Different Sources |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | FITEQL |
| Comment: |
experiments in 0.05M solution of NaCl, oxidized pyrite (=X-SH represents pure pyrite, =Y-OH represents oxidized pyrite); in NH3Cl solution SSD of =Fe(II)-OH sites 1.86+-0.04 E-5 mol/g solid (logK of Sr sorption were kept constant) |
| |
