Pulse voltammetric methods of analysis

Abstract

The techniques of normal and differential pulse voltammetry are presented together with equations describing these techniques. A number of specific applications for both differential and normal pulse, including determination of As III in sewage and the determination of sulphide, are presented. Advantages of amperometric titrations in eliminating ‘background’ errors are shown, with the titration of Cu II with EDTA as a specific example. The use of square-wave voltammetry, a new, rapid-pulse technique, is presented, and an application in which this technique is employed in an electrochemical high performance chromatographic detector used for nitrosamine analysis is discussed.