RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:

Mineral: Hematite
Reference: RK14
SCM Type: DDL - Diffuse Double Layer
Ionic Strength: 0.0 mol/L of NaClO4
Site Type: »Fe-OH
PZC:
pK1: 7.42 pK1°I=0 (Conversion to I = 0): 7.42 pK12.31 nm−2 (normalized): 7.40
pK2: 8.78 pK2°I=0 (Conversion to I = 0): 8.78 pK22.31 nm−2 (normalized): 8.80
Site Density in nm-2: 2.2000
Original Site Density: 2.2 sites / nm² surface
Solid/Liquid Ratio in g/L: 0.3
pH Range: 3-11
Temperature in K: 298.15
Method for Site Density: Geometrical Calculation
Method for Protolysis:Potentiometric Titration
Fit Method:FITEQL
Comment: specific surface area from [GJEAA00] 6.36 m^2/g, The acidity constants of surface hydroxyl groups were determined in an ionic strength range of 0.04–0.20 M NaClO4.
 
1 data sets were retrieved