Mineral: |
Montmorillonite |
Reference: |
KDSE04 |
SCM Type: |
CC - Constant Capacitance
(C1: 1.0 F/m2) |
Ionic Strength: |
0.1 mol/L of
NaClO4
|
Site Type: |
»Si-OH |
PZC: |
|
pK1: |
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pK1°I=0 (Conversion to I = 0): |
|
|
pK2: |
7.8 |
pK2°I=0 (Conversion to I = 0): |
7.69 |
pK22.31 nm−2 (normalized): |
7.53 |
Site Density in nm-2: |
4.3015 |
Original Site Density: |
0.00025 mol / g solid
|
Solid/Liquid Ratio in g/L: |
|
pH Range: |
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Temperature in K: |
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Method for Site Density: |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | FITEQL |
Comment: |
pK values from [HMSGB02] for bentonite(!), but there no SSA and pK2(»Al-OH)=9.22, pK2(»SiOH)=7.6; CEC=63 meq/100 g; CCM and ion exchange; C is the empirical value commonly used for oxide minerals |
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