Mineral: |
Bentonite |
Reference: |
GFMMG06 |
SCM Type: |
NE - Non-electrostatic
|
Ionic Strength: |
|
Site Type: |
»X(w)-OH |
PZC: |
|
pK1: |
4.5 |
|
pK12.31 nm−2 (normalized): |
3.67 |
pK2: |
7.9 |
|
pK22.31 nm−2 (normalized): |
8.73 |
Site Density in nm-2: |
0.3381 |
Original Site Density: |
0.000032 mol / g solid
|
Solid/Liquid Ratio in g/L: |
|
pH Range: |
|
Temperature in K: |
298.15 |
Method for Site Density: |
Potentiometric Titration |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | PHREEQC |
Comment: |
no SSA given in this article; synthetic groundwater used (EST site water 1 and EST site water 2); surface site X(s)-OH with SSD=7.5E-8 was introduced for Cs to allow a better representation of high retention at very low metal ion concentration |
|
Mineral: |
Bentonite |
Reference: |
GFMMG06 |
SCM Type: |
NE - Non-electrostatic
|
Ionic Strength: |
|
Site Type: |
»X(w2)-OH |
PZC: |
|
pK1: |
6.0 |
|
pK12.31 nm−2 (normalized): |
5.17 |
pK2: |
10.5 |
|
pK22.31 nm−2 (normalized): |
11.33 |
Site Density in nm-2: |
0.3381 |
Original Site Density: |
0.000032 mol / g solid
|
Solid/Liquid Ratio in g/L: |
|
pH Range: |
|
Temperature in K: |
298.15 |
Method for Site Density: |
Potentiometric Titration |
Method for Protolysis: | Potentiometric Titration |
Fit Method: | PHREEQC |
Comment: |
no SSA given in this article; synthetic groundwater used (EST site water 1 and EST site water 2); surface site X(s)-OH with SSD=7.5E-8 was introduced for Cs to allow a better representation of high retention at very low metal ion concentration |
|