Related Experiment Video
Updated: Aug 7, 2026

Multi-analyte Biochip (MAB) Based on All-solid-state Ion-selective Electrodes (ASSISE) for Physiological Research
Published on: April 18, 2013
Potentiostatically Enhanced Complexation Model for the Determination of Isopotential Equilibrium Curves
1Swearingen Engineering Center, University of South Carolina, Columbia, South Carolina, 29208
Abstract:
A potentiostatically enhanced complexation model for open systems has been developed that describes the adsorption of heavy metal ions under different pH conditions and forcing electrostatic potentials. This model is based on the so-called complex formation models, and it assumes adsorption of only free ionic species, existence of one type of adsorption site, and limited adsorption site availability. The results show that potentially enhanced adsorption processes can be used for the adsorption of heavy metal ions at pH conditions where adsorption is weak, yet potentials are small enough to avoid reduction and plating, and also electrolysis of water. Moreover desorption can be achieved by turning off the applied potential or by reversing it, thereby avoiding the use of additional chemicals, e.g., a strong acid, to achieve regeneration. Copyright 1998 Academic Press.
Related Concept Videos
Crystal Field Theory - Octahedral Complexes
To explain the observed behavior of transition metal complexes (such as colors), a model involving electrostatic interactions between the electrons from the ligands and the electrons in the unhybridized d orbitals of the central metal atom has been developed. This electrostatic model is crystal field theory (CFT). It helps to understand, interpret, and predict the colors, magnetic behavior, and some structures of coordination compounds of transition metals.
CFT focuses on...
Complexation Equilibria: Overview
The equilibrium constant of the complexation reaction is represented as the formation constant...
Potentiometric Titration: Overview
Controlled-Potential Coulometry: Electrolytic Methods
The chosen potential ensures...
Complexometric EDTA Titration Curves
The Electrical Double Layer

