CHEMIOMETRIC METHODS 3 CONSTRAINED REGULARIZATION METHODS 3 DESACTIVACION FLUORESCENTE 3 ELECTROSTATIC MODELS 3 ENLACE METALICO 3 FLUORESCENCE QUENCHING 3 HUMIC SUBSTANCES 3 METAL BINDING 3 METODOS QUIMIOMETRICOS 3 MODELOS ELECTROSTATICOS 3 PROCEDIMIENTO DE REGULACION RESTRINGIDO 3 SUSTANCIAS HUMICAS 3 Binding energy 2 Binding equilibrium 2 Binding sites 2 Biogeochemistry 2 Biological materials 2 CONTIN 2 Curve fitting 2 Humic substances 2 Ionic strength 2 Metal recovery 2 Organic acids 2 Organic pollutants 2 Phenols 2 Pollutant retention 2 Protons 2 Soil organic matter 2 Soils 2 Spectroscopic analysis 2