This book on Electrochemistry, is consisting of four chapters discussing about the electrochemistry, its theory, mathematics and application. This book will be helpful for those students studying the electrochemistry in the graduation and post-graduation in colleges and universities. The book has a chapter (Chapter 2) headed as Electrochemical Analysis System, this chapter discusses the latest Electro analytical system the BASi Epsilon system, in full detail (this is the latest internationally used electro analytical System used world wide). It is the authors appeal to the students and readers of this book to pick up the useful facts from the books and use it well. Contents:– Electrochemical Determinations; Electrochemical Analytical System; Applications of Electrochemistry; Electrochemistry Constants