RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

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:	9.4
pK1:	7.5	pK1°_I=0 (Conversion to I = 0):	7.46	pK1_{2.31 nm⁻²} (normalized):	7.59
pK2:	11.2	pK2°_I=0 (Conversion to I = 0):	11.16	pK2_{2.31 nm⁻²} (normalized):	11.11
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:	313.15
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 9.4 determinated from surface charge vs. pH curves for surface charge=0; temperature 40+-0.5°C; maximum adsorption density

1 data sets were retrieved