Mineral: |
Zirconium diphosphate |
Reference: |
FDLMC08 |
SCM Type: |
CC - Constant Capacitance
|
Ionic Strength: |
|
Site Type: |
»POH |
PZC: |
2.6 |
pK1: |
1.9 |
|
pK12.31 nm−2 (normalized): |
2.39 |
pK2: |
5.0 |
|
pK22.31 nm−2 (normalized): |
4.51 |
Site Density in nm-2: |
7.2000 |
Original Site Density: |
7.2 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
|
pH Range: |
|
Temperature in K: |
298.15 |
Method for Site Density: |
Not Specified |
Method for Protolysis: | Not Specified |
Fit Method: | FITEQL |
Comment: |
calculated surface acidity constants for the protonation (+) and deprotonation (-) reactions of the zirconium and phosphate suface sites modelled between 25 °C and 90°C; POH: 25°C logK+ = 1.6, logK- = -5.6; 50 °C logK+ = 1.8, logK- = -5.4; 75 °C logK+ = 1.9, logK- = -5; 90 °C logK+ = 2.1, logK- = -4.8; ZrOH: 25 °C logK+ = 1.3, logK- = -2.7; 50 °C logK+ = 1.6, logK- = -2.5; 75 °C logK+ = 1.8, logK- = -2.2; 90°C logK+ = 2, logK- = -2 |
|
Mineral: |
Zirconium diphosphate |
Reference: |
FDLMC08 |
SCM Type: |
CC - Constant Capacitance
|
Ionic Strength: |
|
Site Type: |
»POH |
PZC: |
2.6 |
pK1: |
2.1 |
|
pK12.31 nm−2 (normalized): |
2.59 |
pK2: |
4.8 |
|
pK22.31 nm−2 (normalized): |
4.31 |
Site Density in nm-2: |
7.2000 |
Original Site Density: |
7.2 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
|
pH Range: |
|
Temperature in K: |
298.15 |
Method for Site Density: |
Not Specified |
Method for Protolysis: | Not Specified |
Fit Method: | FITEQL |
Comment: |
calculated surface acidity constants for the protonation (+) and deprotonation (-) reactions of the zirconium and phosphate suface sites modelled between 25 °C and 90°C; POH: 25°C logK+ = 1.6, logK- = -5.6; 50 °C logK+ = 1.8, logK- = -5.4; 75 °C logK+ = 1.9, logK- = -5; 90 °C logK+ = 2.1, logK- = -4.8; ZrOH: 25 °C logK+ = 1.3, logK- = -2.7; 50 °C logK+ = 1.6, logK- = -2.5; 75 °C logK+ = 1.8, logK- = -2.2; 90°C logK+ = 2, logK- = -2 |
|
Mineral: |
Zirconium diphosphate |
Reference: |
FDLMC08 |
SCM Type: |
CC - Constant Capacitance
|
Ionic Strength: |
|
Site Type: |
»Zr-OH |
PZC: |
2.6 |
pK1: |
2.0 |
|
pK12.31 nm−2 (normalized): |
2.49 |
pK2: |
4.8 |
|
pK22.31 nm−2 (normalized): |
4.31 |
Site Density in nm-2: |
7.2000 |
Original Site Density: |
7.2 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
|
pH Range: |
|
Temperature in K: |
298.15 |
Method for Site Density: |
Not Specified |
Method for Protolysis: | Not Specified |
Fit Method: | FITEQL |
Comment: |
calculated surface acidity constants for the protonation (+) and deprotonation (-) reactions of the zirconium and phosphate suface sites modelled between 25 °C and 90°C; POH: 25°C logK+ = 1.6, logK- = -5.6; 50 °C logK+ = 1.8, logK- = -5.4; 75 °C logK+ = 1.9, logK- = -5; 90 °C logK+ = 2.1, logK- = -4.8; ZrOH: 25 °C logK+ = 1.3, logK- = -2.7; 50 °C logK+ = 1.6, logK- = -2.5; 75 °C logK+ = 1.8, logK- = -2.2; 90°C logK+ = 2, logK- = -2 |
|
Mineral: |
Zirconium diphosphate |
Reference: |
FDLMC08 |
SCM Type: |
CC - Constant Capacitance
|
Ionic Strength: |
|
Site Type: |
»Zr-OH |
PZC: |
2.6 |
pK1: |
1.3 |
|
pK12.31 nm−2 (normalized): |
1.79 |
pK2: |
2.7 |
|
pK22.31 nm−2 (normalized): |
2.21 |
Site Density in nm-2: |
7.2000 |
Original Site Density: |
7.2 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
|
pH Range: |
|
Temperature in K: |
298.15 |
Method for Site Density: |
Not Specified |
Method for Protolysis: | Not Specified |
Fit Method: | FITEQL |
Comment: |
calculated surface acidity constants for the protonation (+) and deprotonation (-) reactions of the zirconium and phosphate suface sites modelled between 25 °C and 90°C; POH: 25°C logK+ = 1.6, logK- = -5.6; 50 °C logK+ = 1.8, logK- = -5.4; 75 °C logK+ = 1.9, logK- = -5; 90 °C logK+ = 2.1, logK- = -4.8; ZrOH: 25 °C logK+ = 1.3, logK- = -2.7; 50 °C logK+ = 1.6, logK- = -2.5; 75 °C logK+ = 1.8, logK- = -2.2; 90°C logK+ = 2, logK- = -2 |
|
Mineral: |
Zirconium diphosphate |
Reference: |
FDLMC08 |
SCM Type: |
CC - Constant Capacitance
|
Ionic Strength: |
|
Site Type: |
»POH |
PZC: |
2.6 |
pK1: |
1.6 |
|
pK12.31 nm−2 (normalized): |
2.09 |
pK2: |
5.6 |
|
pK22.31 nm−2 (normalized): |
5.11 |
Site Density in nm-2: |
7.2000 |
Original Site Density: |
7.2 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
|
pH Range: |
|
Temperature in K: |
298.15 |
Method for Site Density: |
Not Specified |
Method for Protolysis: | Not Specified |
Fit Method: | FITEQL |
Comment: |
calculated surface acidity constants for the protonation (+) and deprotonation (-) reactions of the zirconium and phosphate suface sites modelled between 25 °C and 90°C; POH: 25°C logK+ = 1.6, logK- = -5.6; 50 °C logK+ = 1.8, logK- = -5.4; 75 °C logK+ = 1.9, logK- = -5; 90 °C logK+ = 2.1, logK- = -4.8; ZrOH: 25 °C logK+ = 1.3, logK- = -2.7; 50 °C logK+ = 1.6, logK- = -2.5; 75 °C logK+ = 1.8, logK- = -2.2; 90°C logK+ = 2, logK- = -2 |
|
Mineral: |
Zirconium diphosphate |
Reference: |
FDLMC08 |
SCM Type: |
CC - Constant Capacitance
|
Ionic Strength: |
|
Site Type: |
»Zr-OH |
PZC: |
2.6 |
pK1: |
1.8 |
|
pK12.31 nm−2 (normalized): |
2.29 |
pK2: |
2.2 |
|
pK22.31 nm−2 (normalized): |
1.71 |
Site Density in nm-2: |
7.2000 |
Original Site Density: |
7.2 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
|
pH Range: |
|
Temperature in K: |
298.15 |
Method for Site Density: |
Not Specified |
Method for Protolysis: | Not Specified |
Fit Method: | FITEQL |
Comment: |
calculated surface acidity constants for the protonation (+) and deprotonation (-) reactions of the zirconium and phosphate suface sites modelled between 25 °C and 90°C; POH: 25°C logK+ = 1.6, logK- = -5.6; 50 °C logK+ = 1.8, logK- = -5.4; 75 °C logK+ = 1.9, logK- = -5; 90 °C logK+ = 2.1, logK- = -4.8; ZrOH: 25 °C logK+ = 1.3, logK- = -2.7; 50 °C logK+ = 1.6, logK- = -2.5; 75 °C logK+ = 1.8, logK- = -2.2; 90°C logK+ = 2, logK- = -2 |
|
Mineral: |
Zirconium diphosphate |
Reference: |
FDLMC08 |
SCM Type: |
CC - Constant Capacitance
|
Ionic Strength: |
|
Site Type: |
»Zr-OH |
PZC: |
2.6 |
pK1: |
1.6 |
|
pK12.31 nm−2 (normalized): |
2.09 |
pK2: |
2.5 |
|
pK22.31 nm−2 (normalized): |
2.01 |
Site Density in nm-2: |
7.2000 |
Original Site Density: |
7.2 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
|
pH Range: |
|
Temperature in K: |
298.15 |
Method for Site Density: |
Not Specified |
Method for Protolysis: | Not Specified |
Fit Method: | FITEQL |
Comment: |
calculated surface acidity constants for the protonation (+) and deprotonation (-) reactions of the zirconium and phosphate suface sites modelled between 25 °C and 90°C; POH: 25°C logK+ = 1.6, logK- = -5.6; 50 °C logK+ = 1.8, logK- = -5.4; 75 °C logK+ = 1.9, logK- = -5; 90 °C logK+ = 2.1, logK- = -4.8; ZrOH: 25 °C logK+ = 1.3, logK- = -2.7; 50 °C logK+ = 1.6, logK- = -2.5; 75 °C logK+ = 1.8, logK- = -2.2; 90°C logK+ = 2, logK- = -2 |
|
Mineral: |
Zirconium diphosphate |
Reference: |
FDLMC08 |
SCM Type: |
CC - Constant Capacitance
|
Ionic Strength: |
|
Site Type: |
»POH |
PZC: |
2.6 |
pK1: |
1.8 |
|
pK12.31 nm−2 (normalized): |
2.29 |
pK2: |
5.4 |
|
pK22.31 nm−2 (normalized): |
4.91 |
Site Density in nm-2: |
7.2000 |
Original Site Density: |
7.2 sites / nm² surface
|
Solid/Liquid Ratio in g/L: |
|
pH Range: |
|
Temperature in K: |
298.15 |
Method for Site Density: |
Not Specified |
Method for Protolysis: | Not Specified |
Fit Method: | FITEQL |
Comment: |
calculated surface acidity constants for the protonation (+) and deprotonation (-) reactions of the zirconium and phosphate suface sites modelled between 25 °C and 90°C; POH: 25°C logK+ = 1.6, logK- = -5.6; 50 °C logK+ = 1.8, logK- = -5.4; 75 °C logK+ = 1.9, logK- = -5; 90 °C logK+ = 2.1, logK- = -4.8; ZrOH: 25 °C logK+ = 1.3, logK- = -2.7; 50 °C logK+ = 1.6, logK- = -2.5; 75 °C logK+ = 1.8, logK- = -2.2; 90°C logK+ = 2, logK- = -2 |
|