| Mineral: |
Dolomite |
| Reference: |
PST99b |
| SCM Type: |
CC - Constant Capacitance
|
| Ionic Strength: |
0.0 mol/L of
NaCl
|
| Site Type: |
»Mg-OH |
| PZC: |
|
| pK1: |
10.6 |
pK1°I=0 (Conversion to I = 0): |
10.60 |
pK12.31 nm−2 (normalized): |
10.86 |
| pK2: |
12.0 |
pK2°I=0 (Conversion to I = 0): |
12.00 |
pK22.31 nm−2 (normalized): |
11.74 |
| Site Density in nm-2: |
4.2154 |
| Original Site Density: |
7.0 µmol / m² surface
|
| Solid/Liquid Ratio in g/L: |
|
| pH Range: |
6,5-11,5 |
| Temperature in K: |
298.15 |
| Method for Site Density: |
Best Estimate |
| Method for Protolysis: | Surface Charge |
| Fit Method: | MINTEQA2 |
| Comment: |
total number of surface sites was approximated assuming a 1:1:2 stoichiometry between calcium, magnesium, and carbonate sites exposed at the dolomite surface; SSD value was assumed; pCO2 1E-3.5, 0.01, and 0.96atm; PZC=6.9+-0.2 at sumCO2=0.014 M and [Ca2+]=0.0025M; PZC=8.0+-0.2 at sumCO2=0.001 M and [Ca2+]=7E-4 M and [Mg2+]=0.002 M; C?; 25+-0.2°C; surface concentration 150-200m^2/L |
| |
| Mineral: |
Dolomite |
| Reference: |
PST99b |
| SCM Type: |
CC - Constant Capacitance
|
| Ionic Strength: |
0.0 mol/L of
NaCl
|
| Site Type: |
»Ca-OH |
| PZC: |
|
| pK1: |
11.5 |
pK1°I=0 (Conversion to I = 0): |
11.50 |
pK12.31 nm−2 (normalized): |
11.76 |
| pK2: |
12.0 |
pK2°I=0 (Conversion to I = 0): |
12.00 |
pK22.31 nm−2 (normalized): |
11.74 |
| Site Density in nm-2: |
4.2154 |
| Original Site Density: |
7.0 µmol / m² surface
|
| Solid/Liquid Ratio in g/L: |
|
| pH Range: |
6,5-11,5 |
| Temperature in K: |
298.15 |
| Method for Site Density: |
Best Estimate |
| Method for Protolysis: | Surface Charge |
| Fit Method: | MINTEQA2 |
| Comment: |
total number of surface sites was approximated assuming a 1:1:2 stoichiometry between calcium, magnesium, and carbonate sites exposed at the dolomite surface; SSD value was assumed; pCO2 1E-3.5, 0.01, and 0.96atm; PZC=6.9+-0.2 at sumCO2=0.014 M and [Ca2+]=0.0025M; PZC=8.0+-0.2 at sumCO2=0.001 M and [Ca2+]=7E-4 M and [Mg2+]=0.002 M; C?; 25+-0.2°C; surface concentration 150-200m^2/L |
| |
