RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results

Surface Complex Formation Data:

Mineral:	Quartz
Reference:	RSD15
SCM Type:	DDL - Diffuse Double Layer
Ligand:	PO4<3-> - phosphate
Site Type:	»Si-OH
Equation:	»Si-OH + PO4<3-> + 2 H<1+> ⇔ »Si-H2-PO4 + OH<1->
LogK:	38.01 LogK°_I=0 (Conversion to I = 0): 38.50
Experiment:	Batch Sorption Experiments
Ionic Strength:	0.01 mol/L KCl
Temperature:	298.0 K
Solid/Liquid Ratio:	24.0 g/L
pH Range:	2 - 11
Ligand Concentration Range:	1E-4 mol/L
Fit Method:	FITEQL
Comment:	original equation in the study: »Si-OH + H2PO4<1-> = »Si-H2-PO4 + OH<1-> with logK = 18.54 (2H<1+> + PO4<3-> = H2PO4<1->, logK = 19.47)

1 data sets were retrieved