RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:

Mineral: Hematite
Reference: CFKM91
SCM Type: TL - Triple Layer   (C1: 1.85 F/m2)
Ionic Strength: 0.01 mol/L of NaClO4
Site Type: »Fe-OH
PZC: 7.5
pK1: 4.7 pK1°I=0 (Conversion to I = 0): 4.66 pK12.31 nm−2 (normalized): 5.29
pK2: 10.3 pK2°I=0 (Conversion to I = 0): 10.26 pK22.31 nm−2 (normalized): 9.71
Site Density in nm-2: 9.0331
Original Site Density: 15.0 µmol / m² surface
Solid/Liquid Ratio in g/L: 5.5
pH Range: 4-10
Temperature in K: 298.15
Method for Site Density: Literature
Method for Protolysis:Potentiometric Titration
Fit Method:Unknown
Comment: pK2=2*PZC-pK1; SSD from [KTBLS86] (there different values 3.5-22 sites/nm^2); C(0.03M)=1.46 F/m^2, C(0.1M)=2.15 F/m^2
 
1 data sets were retrieved