| Mineral: |
Boehmite |
| Reference: |
NPLS97 |
| SCM Type: |
ECC - Extended Constant Capacitance
(C1: 1.7 F/m2, C2: 2.0 F/m2) |
| Ionic Strength: |
0.1 mol/L of
NaCl
|
| Site Type: |
»Al-OH |
| PZC: |
8.6 |
| pK1: |
7.48 |
pK1°I=0 (Conversion to I = 0): |
7.37 |
pK12.31 nm−2 (normalized): |
7.35 |
| pK2: |
9.8 |
pK2°I=0 (Conversion to I = 0): |
9.69 |
pK22.31 nm−2 (normalized): |
9.93 |
| Site Density in nm-2: |
1.7000 |
| Original Site Density: |
1.7 sites / nm² surface
|
| Solid/Liquid Ratio in g/L: |
|
| pH Range: |
4-10 |
| Temperature in K: |
298.15 |
| Method for Site Density: |
Sorption Isotherms |
| Method for Protolysis: | Potentiometric Titration |
| Fit Method: | FITEQL |
| Comment: |
PZC=PZNPC; SSD from [LO96]; cited also in [PNRLO98]; 1/C(total)=1/C1 + 1/C2 = 0.92; systematic variation of C1 and C2: C1=1.7, C2=2.0; cited in [NPNS98]; temperature 298.2+-0.05K, inert atmosphere |
| |
