Mineral: |
Goethite |
Reference: |
JAR04 |
SCM Type: |
1pK-BS - 1pK-Basic Stern
(C1: 0.14 F/m2) |
Ionic Strength: |
NaClO4
|
Site Type: |
»Fe-singly |
PZC: |
8.4 |
pK1: |
8.4 |
|
pK12.31 nm−2 (normalized): |
8.04 |
pK2: |
|
| |
Site Density in nm-2: |
1.0000 |
Original Site Density: |
1.0 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
0.0 |
pH Range: |
|
Temperature in K: |
|
Method for Site Density: |
Mean of Different Sources |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | FITEQL |
Comment: |
ionic strength 0.01 to 0.1M NaClO4, pK corresponds to PZC=8.4; C varied in the interval 0.13 to 1.7 as calculated from [HV91] to find value for best fit Protolysis equation: »Fe-OH^1/2- +H^+ = »Fe-OH2^1/2+, pK1 from [RUN94] |
|