RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:


Mineral: Gibbsite
Reference: DBMCB98
SCM Type: NE - Non-electrostatic
Ionic Strength: 0.1 mol/L of NaClO4
Site Type: »Al-OH
PZC: 7.9
pK1: 5.7 pK1°I=0 (Conversion to I = 0): 5.59 pK12.31 nm−2 (normalized): 6.34
pK2: 9.4 pK2°I=0 (Conversion to I = 0): 9.29 pK22.31 nm−2 (normalized): 8.76
Site Density in nm-2: 10.0000
Original Site Density: 10.0 sites / nm² surface
Solid/Liquid Ratio in g/L: 6.0
pH Range: 6-9
Temperature in K: 298.15
Method for Site Density: Mean of Different Sources
Method for Protolysis:Potentiometric Titration
Fit Method:EQIL-DISSOL
Comment: SSD from [HVB87] for the singly coordinated hydroxyl groups at the edges of a-Al(OH)3, surface site concentration 0.08 mM/L, pK in CO2-free solution; PZC=7.9+-0.1
 
1 data sets were retrieved