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Chapter 10

Electrochemical Analyses and Redox Titration

Eletroquímica: Visão Geral
Eletroquímica: Visão Geral
Electrochemistry is the branch of chemistry that studies the relationship between electrical quantities and chemical reactions, particularly oxidation and ...
14549_Electrodes_Overview
14549_Electrodes_Overview
 Electrochemical measurements are conducted in an electrochemical cell composed of various components that control and measure the current and ...
Métodos Eletroquímicos Interfaciais
Métodos Eletroquímicos Interfaciais
Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that ...
Potenciometria: Visão Geral
Potenciometria: Visão Geral
Potentiometry is an analytical technique that measures the potential difference between two electrodes in an electrochemical cell without drawing any ...
Potenciometria: Tipos de eletrodos
Potenciometria: Tipos de eletrodos
Reference electrodes serve as a stable reference point for potentiometric measurements, while indicator and working electrodes react to variations in the ...
Potenciometria: Eletrodos de Membrana
Potenciometria: Eletrodos de Membrana
Membrane electrodes, also known as p-ion electrodes, use membranes that selectively interact with free analyte ions, generating a potential difference ...
Titulação Redox: Visão Geral
Titulação Redox: Visão Geral
Redox titration is a chemical analysis technique used to determine the concentration of an unknown substance by measuring the electron transfer in a redox ...
Titulação Redox: Iodometria e Iodimetria
Titulação Redox: Iodometria e Iodimetria
Iodometry and iodimetry are analytical methods used to determine the concentration of oxidizing or reducing agents using iodine. In iodometric titrations, ...
Titulação Redox: Outros Agentes Oxidantes e Redutores
Titulação Redox: Outros Agentes Oxidantes e Redutores
Besides iodine, other oxidizing or reducing agents can serve as titrants in redox titrations. Common oxidizing titrants include KMnO4, cerium(IV), and ...
Titulação Potenciométrica: Visão geral
Titulação Potenciométrica: Visão geral
Potentiometric titration is a quantitative analytical technique that determines the concentration of an analyte by measuring the potential difference ...
Previsão de Ponto Final: Gráfico de Gran
Previsão de Ponto Final: Gráfico de 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, ...
Análise Eletrogravimétrica: Visão Geral
Análise Eletrogravimétrica: Visão Geral
Electrogravimetric analysis measures the weight of an analyte deposited electrolytically onto a suitable working electrode. This method involves applying ...
Visão geral da Coulometria
Visão geral da Coulometria
Coulometry is one of the rapid, most accurate, and precise analytical techniques that determine the quantity of an analyte by measuring the electrical ...
Coulometria a Potencial Controlado: Método Eletrolítico
Coulometria a Potencial Controlado: Método Eletrolítico
Controlled-potential coulometry, also known as potentiostatic coulometry, employs a three-electrode system in which the working electrode's potential ...
Coulometria de Corrente Controlada: Visão geral
Coulometria de Corrente Controlada: Visão geral
Controlled current coulometry, also known as amperostatic coulometry, is a technique used in electrochemical analysis to measure the quantity of a ...
Coulometria de Corrente Controlada - Titulação Coulométrica
Coulometria de Corrente Controlada - Titulação Coulométrica
Coulometric titrations are a form of titrimetric analysis where the reagent is generated electrically, and its amount is evaluated based on current and ...
Voltametria: Visão Geral
Voltametria: Visão Geral
Voltammetry is an electroanalytical technique in which the current flowing through an electrochemical cell is measured as a function of applied potential, ...
Voltametria: Fatores que Afetam as Medições
Voltametria: Fatores que Afetam as Medições
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 ...
Voltamogramas: Visão geral
Voltamogramas: Visão geral
Voltammograms are current plots as a function of applied potential, offering insights into electrochemical systems. The shape of a voltammogram depends on ...
Técnicas Voltamétricas: Varredura Linear (E Vs. Tempo)
Técnicas Voltamétricas: Varredura Linear (E Vs. Tempo)
Polarography is a classical voltammetric technique used to analyze electrochemical reactions. This method applies a linear potential sweep to a dropping ...
Técnicas Voltamétricas: Voltametria de Pulso
Técnicas Voltamétricas: Voltametria de Pulso
Differential-pulse voltammetry (DPV) is a type of voltammetry that involves applying a series of voltage pulses to an electrochemical cell while measuring ...
Técnicas Voltamétricas: Voltametria Cíclica
Técnicas Voltamétricas: Voltametria Cíclica
Cyclic voltammetry (CV) is an electrochemical technique used to investigate the redox properties of a chemical species. It involves measuring the current ...
Voltametria: Métodos de Stripping
Voltametria: Métodos de Stripping
Anodic Stripping Voltammetry (ASV), Cathodic Stripping Voltammetry (CSV), and Adsorptive Stripping Voltammetry (AdSV) are electrochemical techniques used ...
Amperometria: Visão Geral
Amperometria: Visão Geral
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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