RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:


Mineral: Goethite
Reference: PS04c
SCM Type: TL - Triple Layer   (C1: 1.0 F/m2,  C2: 0.2 F/m2)
Ionic Strength: NaNO3
Site Type: »Fe-OH
PZC: 8.5
pK1: 7.5   pK12.31 nm−2 (normalized): 7.92
pK2: 9.5   pK22.31 nm−2 (normalized): 9.08
Site Density in nm-2: 6.0200
Original Site Density: 6.02 sites / nm² surface
Solid/Liquid Ratio in g/L: 6.63
pH Range:
Temperature in K: 298.15
Method for Site Density: Geometrical Calculation
Method for Protolysis:Potentiometric Titration
Fit Method:FITEQL
Comment: 0.003, 0.01 and 0.1M NaNO3; SSD determined from a crystallographic consideration of the mineral surface [HV96]; CO2 free, PZC=8.5+-0.03; also cited in [PS04b], goodness of fit parameter V(y) = 9.8
 
1 data sets were retrieved