Mineral: |
Biotite |
Reference: |
KYMN97 |
SCM Type: |
TL - Triple Layer
(C1: 1.25 F/m2, C2: 0.2 F/m2) |
Ionic Strength: |
0.1 mol/L of
NaCl
|
Site Type: |
»X-OH |
PZC: |
2.0 |
pK1: |
|
pK1°I=0 (Conversion to I = 0): |
|
|
pK2: |
11.9 |
pK2°I=0 (Conversion to I = 0): |
11.79 |
pK22.31 nm−2 (normalized): |
11.56 |
Site Density in nm-2: |
5.0000 |
Original Site Density: |
5.0 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
0.0 |
pH Range: |
8.2-9.2 |
Temperature in K: |
293.15 |
Method for Site Density: |
Potentiometric Titration |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | graphic extrapolation |
Comment: |
1 resp. 0.1M NaCl; Ar atmosphere; temperature 20+-3°C; least squares fit of the experimental data to the model; PZC from [B57]; C1 and C2 from [DJL78a] and [JP82] (K+ adsorption on silica); SSD from [AT89] |
|