Mineral: |
Illite |
Reference: |
LAWJ03 |
SCM Type: |
ECC - Extended Constant Capacitance
(C1: 1.1 F/m2, C2: 5.0 F/m2) |
Ionic Strength: |
0.01 mol/L of
KClO4
|
Site Type: |
»X-OH |
PZC: |
|
pK1: |
9.37 |
pK1°I=0 (Conversion to I = 0): |
9.33 |
pK12.31 nm−2 (normalized): |
8.56 |
pK2: |
|
pK2°I=0 (Conversion to I = 0): |
|
|
Site Density in nm-2: |
0.3613 |
Original Site Density: |
0.6 µmol / m² surface
|
Solid/Liquid Ratio in g/L: |
0.0 |
pH Range: |
|
Temperature in K: |
|
Method for Site Density: |
Potentiometric Titration |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | GRFIT |
Comment: |
N2-atmosphere; C1=1.1+-0.1 F/m^2, C2=5.0+-0.1 F/m^2; acid-base reactions at the illite surface represented together with X-H + K+ = X-K + H+ (pK=3.02+-0.05, SSD (X-H)=0.2+-0.1µmol/m^2) |
|