coulometry at constant current

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• Coulometry — is the name given to a group of techniques in analytical chemistry that determine the amount of matter transformed during an electrolysis reaction by measuring the amount of electricity (in coulombs) consumed or produced.[1] There are two basic… …   Wikipedia

• Avogadro constant — The Avogadro constant (symbols: L , N A), also called Avogadro s number, is the number of elementary entities (usually atoms or molecules) in one mole, that is (from the definition of the mole) the number of atoms in exactly 12 grams of carbon 12 …   Wikipedia

• analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …   Universalium

• Electroanalytical method — Electroanalytical methods are a class of techniques in analytical chemistry which study an analyte by measuring the potential (Volts) and/or current (Amps) in an electrochemical cell containing the analyte. [Bard, A.J.; Faulkner, L.R.… …   Wikipedia

• Potentiometer (measuring instrument) — A potentiometer is an instrument for measuring the potential (voltage) in a circuit. Before the introduction of the moving coil and digital volt meters, potentiometers were used in measuring voltage, hence the meter part of their name. The method …   Wikipedia

• Bulk electrolysis — is also known as potentiostatic coulometry or controlled potential coulometry . [Bard, A.J.; Faulkner, L.R. Electrochemical Methods: Fundamentals and Applications. New York: John Wiley Sons, 2nd Edition, 2000.] [Skoog, D.A.; West, D.M.; Holler, F …   Wikipedia

• Potentiostat — A potentiostat is a control and measuring device that, in an electrolytic cell, keeps the potential of the working electrode at a constant level with respect to the reference electrode. It consists of an electric circuit which controls the… …   Wikipedia

• Differential pulse voltammetry — (AKA Differential Pulse Polarography or DPP) is often used to make electrochemical measurements. It can be considered as a derivative of linear sweep voltammetry or staircase voltammetry, with a series of regular voltage pulses superimposed on… …   Wikipedia

• Analytical chemistry — For the journal, see Analytical Chemistry (journal). Analytical chemistry is the study of the separation, identification, and quantification of the chemical components of natural and artificial materials.[1] Qualitative analysis gives an… …   Wikipedia

• Mercury coulometer — is an electroanalytical chemistry device using mercury to determine the amount of matter transformed (in coulombs) during the following reaction: Hg2+ + 2e– = Hgo[1] These oxidation/reduction processes have 100% efficiency with the wide range of… …   Wikipedia

• Copper coulometer — The copper coulometer is a one of the common application of the copper copper(II) sulfate electrode. Such a coulometer consists of two identical copper electrodes immersed in slightly acidic pH buffered solution of copper(II) sulfate. Passing of… …   Wikipedia