Mineral: |
Rutile |
Reference: |
KCFJM94 |
SCM Type: |
TL - Triple Layer |
Ligand: |
K<1+>
- potassium
|
Site Type: |
»Ti-OH |
Equation: |
»Ti-OH + K<1+> ⇔ »Ti-O-K + H<1+> |
LogK: |
-2.12 LogK°I=0 (Conversion to I = 0): -2.12
LogK2.31 nm−2 (SSD-normalized): -2.00
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.01 mol/L
KCl
|
Temperature: |
298.0 K |
Solid/Liquid Ratio: |
10.0 g/L |
pH Range: |
4-10 |
Ligand Concentration Range: |
0.01-0.1 mol/L |
Fit Method: |
Unknown |
Comment: |
0.01M and 0.1M, the caluated value according equ. 1 1. »Ti-O<1-> + K<1+> = »Ti-O-K logK = 2.10 2. »Ti-OH = »Ti-O<1-> + H<1+> pK2 = -logK = 4.22 3. sum »Ti-OH + K<1+> = »Ti-O-K + H<1+> logK= 2.10-4.22 = -2.12 |
|