Show Detailed Site Query Results
Binding Site Data:
Mineral: |
Beidellite |
Reference: |
TZMS96 |
SCM Type: |
TL - Triple Layer
(C1: 1.05 F/m2, C2: 0.2 F/m2) |
Ionic Strength: |
NaCl
|
Site Type: |
»X-OH |
PZC: |
8.5 |
pK1: |
|
| |
pK2: |
|
| |
Site Density in nm-2: |
0.7117 |
Original Site Density: |
0.000117 mol / g solid
|
Solid/Liquid Ratio in g/L: |
9.49 |
pH Range: |
4-10 |
Temperature in K: |
298.15 |
Method for Site Density: |
Geometrical Calculation |
Method for Protolysis: | Batch Sorption Experiments |
Fit Method: | FITEQL |
Comment: |
SSD computed from particle size and crystallographic data [ZS94] 1.17E-4 mol/g (=0.71 sites/nm^2); SSD by tritium exchange 86.1E-5 mol/g (=5.2 sites/nm^2); pK2 value for Si-sites from [ZS94] (is from [R82a] for quartz); pK values for Al-sites cited as from [MZST95] (is wrong, there 12.3/13.6); experiments in 0.001 and 0.01 M NaCl; solid concentration 9.49 g/kg; for composite model: gibbsite 11 m2/g, SSD 4 sites/nm^2, C1 0.8 F/^2; amorphous silica 183 m^2/g, SSD 4.5 sites/nm^2 (from [R82a] for quartz with 4.15 m^2/g), C1=1.3 F/m^2 |
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1 data sets were retrieved
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