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Reduction potential

Index Reduction potential

Reduction potential (also known as redox potential, oxidation / reduction potential, ORP, pE, ε, or E_) is a measure of the tendency of a chemical species to acquire electrons and thereby be reduced. [1]

55 relations: Absolute electrode potential, Acid mine drainage, Aerobic organism, Anaerobic organism, Aqueous solution, Bar (unit), Cathode, Celsius, Chemical reaction, Chemical species, Electrochemical potential, Electrolysis, Electrolytic cell, Electromotive force, Electron, Enzyme, Escherichia coli, Faraday constant, Galvanic cell, Gas, Gibbs free energy, Gold, Graphite, Half-cell, Hydrogen, Hydroxide, Internet Archive, Ion, Jones & Bartlett Learning, Listeria, Magnetite, Metal, Nutrient, Oxygen, Oxygen radical absorbance capacity, Partial pressure, PH, Platinum, Pourbaix diagram, Reactivity (chemistry), Redox, Reversible reaction, Salmonella, Salt bridge, Saturated calomel electrode, Silver chloride electrode, Sodium, Sodium chloride, Standard conditions for temperature and pressure, Standard electrode potential, ..., Standard electrode potential (data page), Standard hydrogen electrode, Thermodynamic activity, Titration, Volt. Expand index (5 more) »

Absolute electrode potential

Absolute electrode potential, in electrochemistry, according to an IUPAC definition, is the electrode potential of a metal measured with respect to a universal reference system (without any additional metal–solution interface).

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Acid mine drainage

Acid mine drainage, acid and metalliferous drainage (AMD), or acid rock drainage (ARD) is the outflow of acidic water from metal mines or coal mines.

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Aerobic organism

An aerobic organism or aerobe is an organism that can survive and grow in an oxygenated environment.

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Anaerobic organism

An anaerobic organism or anaerobe is any organism that does not require oxygen for growth.

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Aqueous solution

An aqueous solution is a solution in which the solvent is water.

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Bar (unit)

The bar is a metric unit of pressure, but is not approved as part of the International System of Units (SI).

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Cathode

A cathode is the electrode from which a conventional current leaves a polarized electrical device.

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Celsius

The Celsius scale, previously known as the centigrade scale, is a temperature scale used by the International System of Units (SI).

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Chemical reaction

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.

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Chemical species

A chemical species is a chemical substance or ensemble composed of chemically identical molecular entities that can explore the same set of molecular energy levels on a characteristic or delineated time scale.

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Electrochemical potential

In electrochemistry, the electrochemical potential,, sometimes abbreviated to ECP, is a thermodynamic measure of chemical potential that does not omit the energy contribution of electrostatics.

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Electrolysis

In chemistry and manufacturing, electrolysis is a technique that uses a direct electric current (DC) to drive an otherwise non-spontaneous chemical reaction.

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Electrolytic cell

An electrolytic cell is an electrochemical cell that drives a non-spontaneous redox reaction through the application of electrical energy.

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Electromotive force

Electromotive force, abbreviated emf (denoted \mathcal and measured in volts), is the electrical intensity or "pressure" developed by a source of electrical energy such as a battery or generator.

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Electron

The electron is a subatomic particle, symbol or, whose electric charge is negative one elementary charge.

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Enzyme

Enzymes are macromolecular biological catalysts.

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Escherichia coli

Escherichia coli (also known as E. coli) is a Gram-negative, facultatively anaerobic, rod-shaped, coliform bacterium of the genus Escherichia that is commonly found in the lower intestine of warm-blooded organisms (endotherms).

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Faraday constant

The Faraday constant, denoted by the symbol and sometimes stylized as ℱ, is named after Michael Faraday.

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Galvanic cell

A galvanic cell, or voltaic cell, named after Luigi Galvani, or Alessandro Volta respectively, is an electrochemical cell that derives electrical energy from spontaneous redox reactions taking place within the cell.

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Gas

Gas is one of the four fundamental states of matter (the others being solid, liquid, and plasma).

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Gibbs free energy

In thermodynamics, the Gibbs free energy (IUPAC recommended name: Gibbs energy or Gibbs function; also known as free enthalpy to distinguish it from Helmholtz free energy) is a thermodynamic potential that can be used to calculate the maximum of reversible work that may be performed by a thermodynamic system at a constant temperature and pressure (isothermal, isobaric).

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Gold

Gold is a chemical element with symbol Au (from aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally.

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Graphite

Graphite, archaically referred to as plumbago, is a crystalline allotrope of carbon, a semimetal, a native element mineral, and a form of coal.

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Half-cell

A half-cell is a structure that contains a conductive electrode and a surrounding conductive electrolyte separated by a naturally occurring Helmholtz double layer.

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Hydrogen

Hydrogen is a chemical element with symbol H and atomic number 1.

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Hydroxide

Hydroxide is a diatomic anion with chemical formula OH−.

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Internet Archive

The Internet Archive is a San Francisco–based nonprofit digital library with the stated mission of "universal access to all knowledge." It provides free public access to collections of digitized materials, including websites, software applications/games, music, movies/videos, moving images, and nearly three million public-domain books.

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Ion

An ion is an atom or molecule that has a non-zero net electrical charge (its total number of electrons is not equal to its total number of protons).

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Jones & Bartlett Learning

Jones & Bartlett Learning, a division of Ascend Learning, is a provider of instructional, assessment and learning-performance management solutions for the secondary, post-secondary, and professional markets.

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Listeria

Listeria is a genus of bacteria that, until 1992, contained 10 known species, each containing two subspecies.

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Magnetite

Magnetite is a rock mineral and one of the main iron ores, with the chemical formula Fe3O4.

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Metal

A metal (from Greek μέταλλον métallon, "mine, quarry, metal") is a material (an element, compound, or alloy) that is typically hard when in solid state, opaque, shiny, and has good electrical and thermal conductivity.

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Nutrient

A nutrient is a substance used by an organism to survive, grow, and reproduce.

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Oxygen

Oxygen is a chemical element with symbol O and atomic number 8.

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Oxygen radical absorbance capacity

Oxygen radical absorbance capacity (ORAC) is a method of measuring antioxidant capacities in biological samples in vitro.

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Partial pressure

In a mixture of gases, each gas has a partial pressure which is the hypothetical pressure of that gas if it alone occupied the entire volume of the original mixture at the same temperature.

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PH

In chemistry, pH is a logarithmic scale used to specify the acidity or basicity of an aqueous solution.

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Platinum

Platinum is a chemical element with symbol Pt and atomic number 78.

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Pourbaix diagram

In electrochemistry, a Pourbaix diagram, also known as a potential/pH diagram, EH-pH diagram or a pE/pH diagram, maps out possible stable (equilibrium) phases of an aqueous electrochemical system.

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Reactivity (chemistry)

In chemistry, reactivity is the impetus for which a chemical substance undergoes a chemical reaction, either by itself or with other materials, with an overall release of energy.

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Redox

Redox (short for reduction–oxidation reaction) (pronunciation: or) is a chemical reaction in which the oxidation states of atoms are changed.

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Reversible reaction

A reversible reaction is a reaction where the reactants form products, which react together to give the reactants back.

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Salmonella

Salmonella is a genus of rod-shaped (bacillus) Gram-negative bacteria of the family Enterobacteriaceae.

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Salt bridge

A salt bridge, in electrochemistry, is a laboratory device used to connect the oxidation and reduction half-cells of a galvanic cell (voltaic cell), a type of electrochemical cell.

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Saturated calomel electrode

The Saturated calomel electrode (SCE) is a reference electrode based on the reaction between elemental mercury and mercury(I) chloride.

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Silver chloride electrode

A silver chloride electrode is a type of reference electrode, commonly used in electrochemical measurements.

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Sodium

Sodium is a chemical element with symbol Na (from Latin natrium) and atomic number 11.

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Sodium chloride

Sodium chloride, also known as salt, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions.

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Standard conditions for temperature and pressure

Standard conditions for temperature and pressure are standard sets of conditions for experimental measurements to be established to allow comparisons to be made between different sets of data.

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Standard electrode potential

In electrochemistry, the standard electrode potential is the measure of the individual potential of a reversible electrode at standard state, i.e., with solutes at an effective concentration of 1 mol dm−3 and gases at a pressure of 1 atm.

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Standard electrode potential (data page)

The data values of standard electrode potentials are given in the table below, in volts relative to the standard hydrogen electrode, and are for the following conditions.

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Standard hydrogen electrode

The Standard hydrogen electrode (abbreviated SHE), is a redox electrode which forms the basis of the thermodynamic scale of oxidation-reduction potentials.

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Thermodynamic activity

In chemical thermodynamics, activity (symbol) is a measure of the "effective concentration" of a species in a mixture, in the sense that the species' chemical potential depends on the activity of a real solution in the same way that it would depend on concentration for an ideal solution.

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Titration

Titration, also known as titrimetry, is a common laboratory method of quantitative chemical analysis that is used to determine the concentration of an identified analyte.

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Volt

The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.

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Redirects here:

Eh (chemistry), Eh (geology), Eh geology, Indicator electrode, Oxidation potential, Oxidation reduction potential, Oxidation-reduction potential, Oxidation/reduction potential, Redox potential, Redoz potential, Reductive condition, Reductive conditions, Reductive potential, Standard reduction potential.

References

[1] https://en.wikipedia.org/wiki/Reduction_potential

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