Lecture 3. Techniques and Instrumentation in Electrochemical Sensing. Cyclic voltammetry. for reversible reaction. Cyclic voltammetry. initial situation. formal potential reached in forward scan. max. current. formal potential reached in reversed scan. Cyclic voltammetry.
Techniques and Instrumentation in Electrochemical Sensing
A in cm2, C in mol/cm3, D cm2/s, v in V/s.
first 50ms – contribution of charging current
Cd2+ in 1M HCl
current measurement point (~40ms)
mixture of Cd2+ and Pb2+ in 0.1M HNO3.
Capillary electrophoresis/amperometric analysis of Bud Ligh beer