Chapter 10

Electrochemical Analyses and Redox Titration

Electrochemistry: Overview
Electrochemistry: Overview
Electrochemistry is the branch of chemistry that studies the relationship between electrical quantities and chemical reactions, particularly oxidation and ...
Electrodes: Overview
Electrodes: Overview
 Electrochemical measurements are conducted in an electrochemical cell composed of various components that control and measure the current and ...
Interfacial Electrochemical Methods: Overview
Interfacial Electrochemical Methods: Overview
Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that ...
Potentiometry: Overview
Potentiometry: Overview
Potentiometry is an analytical technique that measures the potential difference between two electrodes in an electrochemical cell without drawing any ...
Potentiometry: Types of Electrodes
Potentiometry: Types of Electrodes
Reference electrodes serve as a stable reference point for potentiometric measurements, while indicator and working electrodes react to variations in the ...
Potentiometry: Membrane Electrodes
Potentiometry: Membrane Electrodes
Membrane electrodes, also known as p-ion electrodes, use membranes that selectively interact with free analyte ions, generating a potential difference ...
Redox Titration: Overview
Redox Titration: Overview
Redox titration is a chemical analysis technique used to determine the concentration of an unknown substance by measuring the electron transfer in a redox ...
Redox Titration: Iodimetry and Iodometry
Redox Titration: Iodimetry and Iodometry
Iodometry and iodimetry are analytical methods used to determine the concentration of oxidizing or reducing agents using iodine. In iodometric titrations, ...
Redox Titration: Other Oxidizing and Reducing Agents
Redox Titration: Other Oxidizing and Reducing Agents
Besides iodine, other oxidizing or reducing agents can serve as titrants in redox titrations. Common oxidizing titrants include KMnO4, cerium(IV), and ...
Potentiometric Titration: Overview
Potentiometric Titration: Overview
Potentiometric titration is a quantitative analytical technique that determines the concentration of an analyte by measuring the potential difference ...
End Point Prediction: Gran Plot
End Point Prediction: Gran Plot
A Gran plot is used to predict the equivalence volume or endpoint of a potentiometric or acid-base titration without reaching the endpoint. Typically, ...
Electrogravimetric Analysis: Overview
Electrogravimetric Analysis: Overview
Electrogravimetric analysis measures the weight of an analyte deposited electrolytically onto a suitable working electrode. This method involves applying ...
Coulometry: Overview
Coulometry: Overview
Coulometry is one of the rapid, most accurate, and precise analytical techniques that determine the quantity of an analyte by measuring the electrical ...
Controlled-Potential Coulometry: Electrolytic Methods
Controlled-Potential Coulometry: Electrolytic Methods
Controlled-potential coulometry, also known as potentiostatic coulometry, employs a three-electrode system in which the working electrode's potential ...
Controlled-Current Coulometry: Overview
Controlled-Current Coulometry: Overview
Controlled current coulometry, also known as amperostatic coulometry, is a technique used in electrochemical analysis to measure the quantity of a ...
Controlled-Current Coulometry: Coulometric Titration
Controlled-Current Coulometry: Coulometric Titration
Coulometric titrations are a form of titrimetric analysis where the reagent is generated electrically, and its amount is evaluated based on current and ...
Voltammetry: Overview
Voltammetry: Overview
Voltammetry is an electroanalytical technique in which the current flowing through an electrochemical cell is measured as a function of applied potential, ...
Voltammetry: Factors Affecting Measurements
Voltammetry: Factors Affecting Measurements
A current produced due to the redox reactions of the analyte at the working and auxiliary electrodes is called a faradaic current. The reaction can be ...
Voltammograms: Overview
Voltammograms: Overview
Voltammograms are current plots as a function of applied potential, offering insights into electrochemical systems. The shape of a voltammogram depends on ...
Voltammetric Techniques: Linear-Scan (E vs Time)
Voltammetric Techniques: Linear-Scan (E vs Time)
Polarography is a classical voltammetric technique used to analyze electrochemical reactions. This method applies a linear potential sweep to a dropping ...
Voltammetric Techniques: Pulse Voltammetry
Voltammetric Techniques: Pulse Voltammetry
Differential-pulse voltammetry (DPV) is a type of voltammetry that involves applying a series of voltage pulses to an electrochemical cell while measuring ...
Voltammetric Techniques: Cyclic Voltammetry
Voltammetric Techniques: Cyclic Voltammetry
Cyclic voltammetry (CV) is an electrochemical technique used to investigate the redox properties of a chemical species. It involves measuring the current ...
Voltammetry: Stripping Methods
Voltammetry: Stripping Methods
Anodic Stripping Voltammetry (ASV), Cathodic Stripping Voltammetry (CSV), and Adsorptive Stripping Voltammetry (AdSV) are electrochemical techniques used ...
Amperometry: Overview
Amperometry: Overview
Amperometry is a technique commonly used to measure the concentration of specific analytes in a solution by monitoring the electric current generated ...
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