Mineral: |
Ferrihydrite |
Reference: |
DH03 |
SCM Type: |
DDL - Diffuse Double Layer
|
Ionic Strength: |
0.0 mol/L of
|
Site Type: |
»Fe-OH |
PZC: |
|
pK1: |
7.29 |
pK1°I=0 (Conversion to I = 0): |
7.29 |
pK12.31 nm−2 (normalized): |
7.34 |
pK2: |
8.93 |
pK2°I=0 (Conversion to I = 0): |
8.93 |
pK22.31 nm−2 (normalized): |
8.88 |
Site Density in nm-2: |
2.6000 |
Original Site Density: |
2.6 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
0.03 |
pH Range: |
|
Temperature in K: |
296.14 |
Method for Site Density: |
Sorption Isotherms |
Method for Protolysis: | Literature |
Fit Method: |
Comment: |
pK from [DM90]; temperature 23+-0.4°C; experiments in 0.01M NaClO4; SSD valid for for As(V) sorption, for As(III) sorption SSD=3.5 sites/nm^2 |
|