Mineral: |
Ferrihydrite |
Reference: |
NF10 |
SCM Type: |
TL - Triple Layer
(C1: 1.0 F/m2, C2: 0.2 F/m2) |
Ionic Strength: |
NaCl
|
Site Type: |
»X-OH |
PZC: |
|
pK1: |
5.1 |
|
pK12.31 nm−2 (normalized): |
5.32 |
pK2: |
10.7 |
|
pK22.31 nm−2 (normalized): |
10.48 |
Site Density in nm-2: |
3.8000 |
Original Site Density: |
3.8 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
0.21 |
pH Range: |
|
Temperature in K: |
298.15 |
Method for Site Density: |
Literature |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | Unknown |
Comment: |
SSA from [D78]; ionic strength 0.01, 0.05, 0.1 M; SSD from [NFT09] and [FS07b]; N2 atmosphere; pK1 and pK2 refer to site-occupancy standard states for the reaction »X-OH2<1+> = »X-OH + H<1+>and »X-OH = SO<1-> + H<1+> |
|