| Mineral: |
Magnesite |
| Reference: |
PST99a |
| SCM Type: |
CC - Constant Capacitance
|
| Ionic Strength: |
0.0 mol/L of
NaCl
|
| Site Type: |
»CO3H |
| PZC: |
|
| pK1: |
|
pK1°I=0 (Conversion to I = 0): |
|
|
| pK2: |
4.65 |
pK2°I=0 (Conversion to I = 0): |
4.65 |
pK22.31 nm−2 (normalized): |
3.98 |
| Site Density in nm-2: |
10.8397 |
| Original Site Density: |
18.0 µmol / m² surface
|
| Solid/Liquid Ratio in g/L: |
|
| pH Range: |
|
| Temperature in K: |
|
| Method for Site Density: |
Best Estimate |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | MINTEQA2 |
| Comment: |
50-100 g/L magnesite; a 1:1 stoichiometry between carbonate and magnesium sites at the magnesite surface assumed, site density was fixed as 18 µmol/m² which is the maximal possible concentration of surface sites |
| |
| Mineral: |
Magnesite |
| Reference: |
PST99a |
| 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): |
11.27 |
| pK2: |
12.0 |
pK2°I=0 (Conversion to I = 0): |
12.00 |
pK22.31 nm−2 (normalized): |
11.33 |
| Site Density in nm-2: |
10.8397 |
| Original Site Density: |
18.0 µmol / m² surface
|
| Solid/Liquid Ratio in g/L: |
|
| pH Range: |
|
| Temperature in K: |
|
| Method for Site Density: |
Best Estimate |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | MINTEQA2 |
| Comment: |
50-100 g/L magnesite; a 1:1 stoichiometry between carbonate and magnesium sites at the magnesite surface assumed, site density was fixed as 18 µmol/m² which is the maximal possible concentration of surface sites |
| |
