The text explains potentiometric analysis and introduces various electrochemical techniques, emphasizing coulometry. Coulometry measures analyte concentration through exhaustive electrolysis, with two...The text explains potentiometric analysis and introduces various electrochemical techniques, emphasizing coulometry. Coulometry measures analyte concentration through exhaustive electrolysis, with two types: controlled-potential and controlled-current. Controlled-potential maintains a constant electrode potential to achieve 100% current efficiency, while controlled-current maintains constant current.