RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:

Mineral: Kaolinite
Reference: LAFAH18
SCM Type: CC - Constant Capacitance   (C1: 7.0 F/m2)
Ionic Strength: 0.56 mol/L of NaCl
Site Type: »X-OH
PZC:
pK1: 5.38   pK12.31 nm−2 (normalized): 5.89
pK2: 7.86   pK22.31 nm−2 (normalized): 7.35
Site Density in nm-2: 7.4315
Original Site Density: 0.00029 mol / g solid
Solid/Liquid Ratio in g/L: 10.0
pH Range: 4-10
Temperature in K:
Method for Site Density: Potentiometric Titration
Method for Protolysis:Potentiometric Titration
Fit Method:FITEQL
Comment: only valid with exchange reaction on the permantly negatively charged site: >X- * H+ + Na+ = >X- * Na+ + H+ with pKa = 2.73 ± 0.63 (site density 0.42 ± 0.01 mmol/g)
inner-layer capacitance taken from [SSA05]
 
1 data sets were retrieved