RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Illite
Reference:	LAFAH18
SCM Type:	CC - Constant Capacitance (C₁: 2.0 F/m²)
Ionic Strength:	0.56 mol/L of NaCl
Site Type:	»X-OH
PZC:
pK1:	5.17	pK1_{2.31 nm⁻²} (normalized):	5.16
pK2:	7.71	pK2_{2.31 nm⁻²} (normalized):	7.72
Site Density in nm^-2:	2.2750
Original Site Density:	0.00017 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 = 3.25 ± 0.35 (site density 0.37 ± 0.11 mmol/g) inner-layer capacitance taken from [GE07]

1 data sets were retrieved