We divide electrochemical techniques into static techniques and dynamic techniques. In a static technique we do not allow current to pass through the electrochemical cell and, as a result, the concent...We divide electrochemical techniques into static techniques and dynamic techniques. In a static technique we do not allow current to pass through the electrochemical cell and, as a result, the concentrations of all species remain constant. Dynamic techniques, in which we allow current to flow and force a change in the concentration of species in the electrochemical cell, comprise the largest group of interfacial electrochemical techniques.
This chapter focuses on analytical electrochemistry, which uses measurements of potential, current, or charge to determine analyte concentration or chemical reactivity. Key concepts include the relati...This chapter focuses on analytical electrochemistry, which uses measurements of potential, current, or charge to determine analyte concentration or chemical reactivity. Key concepts include the relationship between electrode potential and analyte form, differences in surface and bulk concentrations, current's role in measuring redox rates, and the balance between controlling current and potential.
