The Construction and Behaviour of Ultramicroelectrodes: Investigations of Novel Electrochemical Systems.
UTAH UNIV SALT LAKE CITY DEPT OF CHEMISTRY
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Methods of construction and the behavior of microdisc and microsphere electrodes having radii down to 1000 and 200 A respectively and of microspheres having widths down to 250 A are reviewed. The high steady state rates of mass transport and the low ohmic over potentials allow the study of systems under simple steady state conditions as well as the study of many novel systems. It is shown that the rates of fast electrode reactions can be readily measured the kinetics of reactions in solution coupled to electrode reactions are more easily determined than by relaxation methods using planar electrodes reactions can be examined in solvents using low or zero concentrations of support electrolyte as well as in low dielectric constant solvents.
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