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oxidation-reduction potential

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ox·i·da·tion-re·duc·tion po·ten·tial (E0+),

the potential in volts of an inert metallic electrode measured in a system of an arbitrarily chosen ratio of [oxidant] to [reductant] and referred to the normal hydrogen electrode at absolute temperature; it is calculated from the following equation; where R is the gas constant expressed in electrical units, T the absolute temperature (Kelvin), n the number of electrons transferred, F the faraday, and E0 the normal symbol for the potential of the system at pH 0; for biologic systems, E0' is often used (in which pH = 7). Compare: Nernst equation.
Synonym(s): redox potential
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References in periodicals archive
Determination of hexavalent chromium reduction potential: Chromate reducing potential was determined in LB broth containing 100, 350 and 500ug/mL of K2CrO4 respectively incubated 150rpm and 37AdegC for 120 hours.
BIOREMEDIATION OF HEXAVALENT CHROMIUM BY FREE AND IMMOBILIZED BIOMASS OF CHLORELLA AND PSEUDOMONAS
However, the study clarifies that "a high contribution is not necessarily equivalent to a high reduction potential," so FMs looking to minimize their usage of high-impact materials should look for additional information on reduction potential and consider which resources are most endangered in their areas--for example, facilities in drought-stricken states should prioritize products with a low impact on usage of fresh water.
How green is your supply chain? New report examines the environmental impacts of production and delivery
The HI2002 or "edge" pH and oxygen reduction potential meter by Hanna Instruments Inc.
pH Meters and Sensors: an essential tool of basic wine analysis, these new pH meters and sensors are also easier to use and calibrate, and they range from bench-top units to handheld devices and remote, fixed-place sensors
Methane production reduction potential (MRP) was calculated by taking net methane rates for control (hay) as 100% Jayanegara et al.
Correlation between chemical composition, kinetics of fermentation and methane production of eight pasture grasses/Correlacao entre a composicao quimica, cinetica de fermentacao e producao de metano de oito tipos de capim de pastagem
The probable mechanism was that Fe(III) bioreduction lowered the reduction potential of the system and methanogenesis became favorable and in turn, methanogenesis stimulated the growth of methanogens, which enhanced Fe(III) bioreduction [18].
Fe(III) reduction by Halomonas sp. TBZ9 and Maribobacter sp. TBZ23, isolated from Urmia Lake in Iran
It is more important to measure the oxidation potential of the reducing agent used in the liquid-phase reduction method than the reduction potential of the metal.
Synthesis and characterization of cobalt nanoparticles using hydrazine and citric acid
Charlier and Palacin coated an organic film on a selected zone at the surface of a photosensitive semiconductor substrate by (1) coating it with a liquid primer, (2) making the surface more cathodic than the reduction potential of the primer, and (3) irradiating the selected zone with light radiation where the photon energy is at least that of the band gap of the photosensitive semiconductor substrate.
Surface Electrografting
The difference in the values for the reduction potential for the azo groups of the two dyes can be assigned to the different chemical groups bonded to the azo group in the molecules.
Simultaneous determination of textile dyes by Adsorptive Cathodic Stripping Voltammetry/Determinacao simultanea de corantes texteis por Voltametria Adsortiva de Redissolucao Catodica
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