| Mineral: |
Goethite |
| Reference: |
HMQB14 |
| SCM Type: |
CDM - (CD-)MUSIC
(C1: 2.3 F/m2, C2: 1.07 F/m2) |
| Ionic Strength: |
0.0 mol/L of
NaCl
|
| Site Type: |
»Fe-singly |
| PZC: |
8.9 |
| pK1: |
9.1 |
pK1°I=0 (Conversion to I = 0): |
9.10 |
pK12.31 nm−2 (normalized): |
9.24 |
| pK2: |
|
pK2°I=0 (Conversion to I = 0): |
|
|
| Site Density in nm-2: |
3.2000 |
| Original Site Density: |
3.2 sites / nm² surface
|
| Solid/Liquid Ratio in g/L: |
1.0 |
| pH Range: |
5-10 |
| Temperature in K: |
|
| Method for Site Density: |
Not Specified |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | PHREEQC |
| Comment: |
three plane model (TPM); »Fe-singly: »Fe-OH<0.5-> + H<1+> = »Fe-OH2<0.5+>, »Fe-triply: »Fe3-OH<0.5-> + H<1+> = »Fe3-OH2<0.5+>; C1 and C2 from [GE03], pK1 from [GE03] |
| |
| Mineral: |
Goethite |
| Reference: |
HMQB14 |
| SCM Type: |
CDM - (CD-)MUSIC
(C1: 2.3 F/m2, C2: 1.07 F/m2) |
| Ionic Strength: |
0.0 mol/L of
NaCl
|
| Site Type: |
»Fe-triply |
| PZC: |
8.9 |
| pK1: |
9.1 |
pK1°I=0 (Conversion to I = 0): |
9.10 |
pK12.31 nm−2 (normalized): |
9.24 |
| pK2: |
|
pK2°I=0 (Conversion to I = 0): |
|
|
| Site Density in nm-2: |
3.2000 |
| Original Site Density: |
3.2 sites / nm² surface
|
| Solid/Liquid Ratio in g/L: |
1.0 |
| pH Range: |
5-10 |
| Temperature in K: |
|
| Method for Site Density: |
Not Specified |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | PHREEQC |
| Comment: |
three plane model (TPM); »Fe-singly: »Fe-OH<0.5-> + H<1+> = »Fe-OH2<0.5+>, »Fe-triply: »Fe3-OH<0.5-> + H<1+> = »Fe3-OH2<0.5+>; C1 and C2 from [GE03], pK1 from [GE03] |
| |
