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Chapter 10

Electrochemical Analyses and Redox Titration

Électrochimie: aperçu
Électrochimie: aperçu
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 ...
Méthodes électrochimiques interfaciales
Méthodes électrochimiques interfaciales
Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that ...
Potentiométrie: présentation
Potentiométrie: présentation
Potentiometry is an analytical technique that measures the potential difference between two electrodes in an electrochemical cell without drawing any ...
Potentiométrie_Types d'électrodes
Potentiométrie_Types d'électrodes
Reference electrodes serve as a stable reference point for potentiometric measurements, while indicator and working electrodes react to variations in the ...
Potentiométrie: électrodes à membrane
Potentiométrie: électrodes à membrane
Membrane electrodes, also known as p-ion electrodes, use membranes that selectively interact with free analyte ions, generating a potential difference ...
Titrage redox: présentation
Titrage redox: présentation
Redox titration is a chemical analysis technique used to determine the concentration of an unknown substance by measuring the electron transfer in a redox ...
Titrage redox: iodométrie et iodimétrie
Titrage redox: iodométrie et iodimétrie
Iodometry and iodimetry are analytical methods used to determine the concentration of oxidizing or reducing agents using iodine. In iodometric titrations, ...
Titrage redox : autres agents oxydants et réducteurs
Titrage redox : autres agents oxydants et réducteurs
Besides iodine, other oxidizing or reducing agents can serve as titrants in redox titrations. Common oxidizing titrants include KMnO4, cerium(IV), and ...
Titrage potentiométrique : présentation
Titrage potentiométrique : présentation
Potentiometric titration is a quantitative analytical technique that determines the concentration of an analyte by measuring the potential difference ...
Prédiction du point final : diagramme Gran
Prédiction du point final : diagramme Gran
A Gran plot is used to predict the equivalence volume or endpoint of a potentiometric or acid-base titration without reaching the endpoint. Typically, ...
Analyse électrogravimétrique: aperçu
Analyse électrogravimétrique: aperçu
Electrogravimetric analysis measures the weight of an analyte deposited electrolytically onto a suitable working electrode. This method involves applying ...
Aperçu de la coulométrie
Aperçu de la coulométrie
Coulometry is one of the rapid, most accurate, and precise analytical techniques that determine the quantity of an analyte by measuring the electrical ...
Coulométrie à potentiel contrôlé : méthode électrolytique
Coulométrie à potentiel contrôlé : méthode électrolytique
Controlled-potential coulometry, also known as potentiostatic coulometry, employs a three-electrode system in which the working electrode's potential ...
Coulométrie à courant contrôlé: présentation
Coulométrie à courant contrôlé: présentation
Controlled current coulometry, also known as amperostatic coulometry, is a technique used in electrochemical analysis to measure the quantity of a ...
Coulométrie à courant contrôlé: titrage coulométrique
Coulométrie à courant contrôlé: titrage coulométrique
Coulometric titrations are a form of titrimetric analysis where the reagent is generated electrically, and its amount is evaluated based on current and ...
Voltamétrie : Présentation
Voltamétrie : Présentation
Voltammetry is an electroanalytical technique in which the current flowing through an electrochemical cell is measured as a function of applied potential, ...
Voltamétrie: facteurs affectant les mesures
Voltamétrie: facteurs affectant les mesures
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 ...
Voltammogrammes: présentation
Voltammogrammes: présentation
Voltammograms are current plots as a function of applied potential, offering insights into electrochemical systems. The shape of a voltammogram depends on ...
Techniques voltamétriques: balayage linéaire (E en fonction du temps)
Techniques voltamétriques: balayage linéaire (E en fonction du temps)
Polarography is a classical voltammetric technique used to analyze electrochemical reactions. This method applies a linear potential sweep to a dropping ...
Techniques voltamétriques : voltammétrie à impulsions
Techniques voltamétriques : voltammétrie à impulsions
Differential-pulse voltammetry (DPV) is a type of voltammetry that involves applying a series of voltage pulses to an electrochemical cell while measuring ...
Techniques de voltamétrie : voltamétrie cyclique
Techniques de voltamétrie : voltamétrie cyclique
Cyclic voltammetry (CV) is an electrochemical technique used to investigate the redox properties of a chemical species. It involves measuring the current ...
Voltammétrie: méthodes de décapage
Voltammétrie: méthodes de décapage
Anodic Stripping Voltammetry (ASV), Cathodic Stripping Voltammetry (CSV), and Adsorptive Stripping Voltammetry (AdSV) are electrochemical techniques used ...
Ampérométrie: Présentation
Ampérométrie: Présentation
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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