RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:


Mineral: Goethite
Reference: APQ67
SCM Type: DDL - Diffuse Double Layer
Ionic Strength: 0.1 mol/L of KCl
Site Type: »Fe-OH
PZC: 7.55
pK1: 6.99 pK1°I=0 (Conversion to I = 0): 6.88 pK12.31 nm−2 (normalized): 6.37
pK2: 8.4 pK2°I=0 (Conversion to I = 0): 8.29 pK22.31 nm−2 (normalized): 9.02
Site Density in nm-2: 0.5600
Original Site Density: 0.56 sites / nm² surface
Solid/Liquid Ratio in g/L:
pH Range:
Temperature in K: 293.45
Method for Site Density: Potentiometric Titration
Method for Protolysis:Potentiometric Titration
Fit Method:
Comment: cited in [H81] and [GS84a]; PZC=7.55+-0.15; temperature of measurement 20.3+-0.4°C
 
1 data sets were retrieved