Mineral: |
Birnessite |
Reference: |
VFCBG16 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
CrO4<2->
- chromate
|
Site Type: |
»Mn-OH |
Equation: |
2 »Mn-OH + 2 CrO4<2-> + 4 H<1+> ⇔ (»Mn)2-Cr2O7 + 3 H2O |
LogK: |
32.4
LogK2.31 nm−2 (SSD-normalized): 32.16
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
KNO3
|
Solid/Liquid Ratio: |
20.0 g/L |
pH Range: |
3 - 10 |
Ligand Concentration Range: |
1E-4. 1E-5. 1E-6 mol/L |
Fit Method: |
FITEQL |
Comment: |
Stability constants describing the Cr(VI) inner-sphere complexation using DLM are present as median values; 0.1, 0.01 and 0.001 M KNO3 |
|