Simple synthesis of some chromatographic stationary phases by the sol-gel method

Abstract EN

Electrolytes were found to have an important influence on the resolution,peak shape, and retention time in electrochemically modulated liquid chromatography.

The dependence of time constant of the cell on electrolyte type did not reflect any meaningful relation with electrolyte conductivity values.

However, electrolytic species of larger ionic sizes result in significantly lower time constant of the cell, and vice versa.

It was also found that time constant of the cell is exponentially dependent on electrolyte concentration where higher electrolyte concentrations result in decreased time constant of the cell.

When a potential ramp is applied to the working electrode, a steep change in the potential of the working electrode towards the final potential takes place directly after the application of the potential ramp.

The change in the potential of the working electrode then follows an exponential decay isotherm, which depends on both electrolyte type and concentration