ABSTRACT
This chapter provides guidance in selection of electrochemical techniques by providing the relative sensitivities of various methods. The reactions are arranged in order of decreasing oxidation strength. The rubidium ion, which possesses a large radius and shows a low deformability, has a rather low and constant solvation energy in all solvents. Often an organic functional group is not reduced polarographically at an accessible potential range. The chapter lists the most common functional groups, the reagent needed, and the polarographically active derivative as well as the polarographically active group. Since the titrant is generated electrolytically and reacted immediately, the method gets widespread applications.
