RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Binding Site Data:


Mineral: Illite
Reference: MM89
SCM Type: CC - Constant Capacitance   (C1: 1.06 F/m2)
Ionic Strength: 0.01 mol/L of NaCl
Site Type: »X-OH
PZC: 9.6
pK1: 7.5 pK1°I=0 (Conversion to I = 0): 7.46 pK12.31 nm−2 (normalized): 7.59
pK2: 11.7 pK2°I=0 (Conversion to I = 0): 11.66 pK22.31 nm−2 (normalized): 11.61
Site Density in nm-2: 2.8437
Original Site Density: 0.000051 mol / g solid
Solid/Liquid Ratio in g/L: 50.0
pH Range:
Temperature in K: 298.15
Method for Site Density: Empirical Correlation
Method for Protolysis:Potentiometric Titration
Fit Method:MICROQL
Comment: C1 from [WH80] for g-Al2O3; MICROQL; PZC=PZNPC=1/2(pK1+pK2), PZC also 9.6 determinated from surface charge vs. pH curves for surface charge=0; temperature 25+-0.5°C; maximum adsorption density
 
1 data sets were retrieved