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Chapter 10

Electrochemical Analyses and Redox Titration

电化学:概述
电化学:概述
Electrochemistry is the branch of chemistry that studies the relationship between electrical quantities and chemical reactions, particularly oxidation and ...
电极:概述
电极:概述
 Electrochemical measurements are conducted in an electrochemical cell composed of various components that control and measure the current and ...
界面电化学方法:概述
界面电化学方法:概述
Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that ...
电位测定法:概述
电位测定法:概述
Potentiometry is an analytical technique that measures the potential difference between two electrodes in an electrochemical cell without drawing any ...
电位测定法:电极类型
电位测定法:电极类型
Reference electrodes serve as a stable reference point for potentiometric measurements, while indicator and working electrodes react to variations in the ...
电位测定法:膜电极
电位测定法:膜电极
Membrane electrodes, also known as p-ion electrodes, use membranes that selectively interact with free analyte ions, generating a potential difference ...
氧化还原滴定:概述
氧化还原滴定:概述
Redox titration is a chemical analysis technique used to determine the concentration of an unknown substance by measuring the electron transfer in a redox ...
氧化还原滴定法:碘法和碘量法
氧化还原滴定法:碘法和碘量法
Iodometry and iodimetry are analytical methods used to determine the concentration of oxidizing or reducing agents using iodine. In iodometric titrations, ...
氧化还原滴定:其他氧化剂和还原剂
氧化还原滴定:其他氧化剂和还原剂
Besides iodine, other oxidizing or reducing agents can serve as titrants in redox titrations. Common oxidizing titrants include KMnO4, cerium(IV), and ...
电位滴定:概述
电位滴定:概述
Potentiometric titration is a quantitative analytical technique that determines the concentration of an analyte by measuring the potential difference ...
终点预测:Gran 图
终点预测:Gran 图
A Gran plot is used to predict the equivalence volume or endpoint of a potentiometric or acid-base titration without reaching the endpoint. Typically, ...
电重分析:概述
电重分析:概述
Electrogravimetric analysis measures the weight of an analyte deposited electrolytically onto a suitable working electrode. This method involves applying ...
库仑法:概述
库仑法:概述
Coulometry is one of the rapid, most accurate, and precise analytical techniques that determine the quantity of an analyte by measuring the electrical ...
可控电位库仑法:电解法
可控电位库仑法:电解法
Controlled-potential coulometry, also known as potentiostatic coulometry, employs a three-electrode system in which the working electrode's potential ...
可控电流库仑法:概述
可控电流库仑法:概述
Controlled current coulometry, also known as amperostatic coulometry, is a technique used in electrochemical analysis to measure the quantity of a ...
可控电流库仑法:库仑法滴定法
可控电流库仑法:库仑法滴定法
Coulometric titrations are a form of titrimetric analysis where the reagent is generated electrically, and its amount is evaluated based on current and ...
伏安法:概述
伏安法:概述
Voltammetry is an electroanalytical technique in which the current flowing through an electrochemical cell is measured as a function of applied potential, ...
伏安法:影响测量的因素
伏安法:影响测量的因素
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 ...
伏安图 - 概述
伏安图 - 概述
Voltammograms are current plots as a function of applied potential, offering insights into electrochemical systems. The shape of a voltammogram depends on ...
伏安法技术:线性扫描(E 与时间的关系)
伏安法技术:线性扫描(E 与时间的关系)
Polarography is a classical voltammetric technique used to analyze electrochemical reactions. This method applies a linear potential sweep to a dropping ...
伏安法技术: 脉冲伏安法
伏安法技术: 脉冲伏安法
Differential-pulse voltammetry (DPV) is a type of voltammetry that involves applying a series of voltage pulses to an electrochemical cell while measuring ...
伏安法技术:循环伏安法
伏安法技术:循环伏安法
Cyclic voltammetry (CV) is an electrochemical technique used to investigate the redox properties of a chemical species. It involves measuring the current ...
伏安法:溶出方法
伏安法:溶出方法
Anodic Stripping Voltammetry (ASV), Cathodic Stripping Voltammetry (CSV), and Adsorptive Stripping Voltammetry (AdSV) are electrochemical techniques used ...
安培法:概述
安培法:概述
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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