RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:


Mineral: Goethite
Reference: K97c
SCM Type: DDL - Diffuse Double Layer
Ionic Strength: 0.0 mol/L of NaNO3
Site Type: »Fe-OH
PZC: 7.8
pK1: 6.3 pK1°I=0 (Conversion to I = 0): 6.30 pK12.31 nm−2 (normalized): 6.56
pK2: 8.92 pK2°I=0 (Conversion to I = 0): 8.92 pK22.31 nm−2 (normalized): 8.66
Site Density in nm-2: 4.2000
Original Site Density: 4.2 sites / nm² surface
Solid/Liquid Ratio in g/L: 3.48
pH Range:
Temperature in K: 298.15
Method for Site Density: Literature
Method for Protolysis:Potentiometric Titration
Fit Method:FITEQL
Comment: SSD from [SS81] (there 2E-4 mol/g with SSA=29g/m^2 = 4.15 OH/nm^2); PZC determined by potentiometric titration; temperature 25+-0.1°C in N2 atmosphere; standard deviation=1sigma
 
1 data sets were retrieved