RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:


Mineral: Goethite
Reference: RAV94
SCM Type: TL - Triple Layer
Ionic Strength: NaClO4
Site Type: »Fe-OH
PZC: 8.5
pK1: 6.2   pK12.31 nm−2 (normalized): 6.20
pK2: 11.1   pK22.31 nm−2 (normalized): 11.10
Site Density in nm-2: 2.3000
Original Site Density: 2.3 sites / nm² surface
Solid/Liquid Ratio in g/L:
pH Range:
Temperature in K:
Method for Site Density: Literature
Method for Protolysis:Potentiometric Titration
Fit Method:graphic extrapolation
Comment: pK1 and pK2 are not reported: estimation from figure 2; neither is C1; SSD from [DK90]; ionic strength was 0.005, 0.01 and 0.05 M; citation in [JAR99]: FeOH-0.5 + H+ = FeOH2+0.5 pK=8.4 (equivalent to PZC)
 
1 data sets were retrieved