Synopsis This text entitled 'Electro-Analytical Techniques' has been compiled and edited in an understandable form, simplifying decision about which electroanalytical techniques can provide the information they are seeking an chemical composition and structure. Each technique ha been described fully including principle, instrumentation and applications in various fields. This text uses a standardized format to facilitate the comparison of techniques. Each techniques has also included the nature of recent changes and developments without compromising the principle subject matter. This text is useful for undergraduate and postgraduate students of chemistry, biochemistry, earth science, environmental science, industrial biochemistry, and related fields.