RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Illite
Reference:	GE07
SCM Type:	CC - Constant Capacitance
Ionic Strength:	0.1 mol/L of NaNO3
Site Type:	»X-OH
PZC:
pK1:	7.43	pK1°_I=0 (Conversion to I = 0):	7.32	pK1_{2.31 nm⁻²} (normalized):	7.20
pK2:	8.99	pK2°_I=0 (Conversion to I = 0):	8.88	pK2_{2.31 nm⁻²} (normalized):	9.22
Site Density in nm^-2:	1.3703
Original Site Density:	0.000152 mol / g solid
Solid/Liquid Ratio in g/L:	2.97
pH Range:	3-9
Temperature in K:	298.0
Method for Site Density:	Empirical Correlation
Method for Protolysis:	Potentiometric Titration
Fit Method:	FITEQL
Comment:	PZNPC 6-7.5 (no intersection of titration curves at varois ionic strengths); temperature 25+-0.2°C; site density based on CEC at pH8, the ratio of the two binding sites was optimized using FITEQL

1 data sets were retrieved