HalfWavePotential

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Category:OSW2ae53fc6d44d41c9acafc5606e6a981d /
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HalfWavePotential [OSW2ae53fc6d44d41c9acafc5606e6a981d]
ID OSW2ae53fc6d44d41c9acafc5606e6a981d
UUID 2ae53fc6-d44d-41c9-acaf-c5606e6a981d
Label HalfWavePotential
Machine compatible name HalfWavePotential
Statements (outgoing)
Statements (incoming)

Description

Electric potential of a steady-state voltammetric working electrode at the point, on the rising part of the voltammetric wave, where the current is equal to one-half of the limiting current.

Item
Type(s)/Category(s) EmmoTerm
Term
EmmoTerm
Superclass
Comment
  • E1/2 is used in techniques providing a sigmoidal wave-shaped current including DC voltammetry/polarography, normal pulse voltammetry, hydrodynamic voltammetry, and tast polarography. [en]
  • For quasi-reversible and irreversible electrode reactions, the value of E1/2 is also affected by the rate constant of the charge transfer reaction, the difference being greater than that caused by different diffusion coefficients. [en]
  • The quarter-wave potential, Ep/4, the three-quarter-wave potential, Ep3/4 , etc., may be similarly defined. [en]
  • URIhttp://emmo.info/electrochemistry#electrochemistry_2ae53fc6_d44d_41c9_acaf_c5606e6a981d
    jsondata
    uuid"2ae53fc6-d44d-41c9-acaf-c5606e6a981d"
    name"HalfWavePotential"
    label
    text"HalfWavePotential"
    lang"en"
    description
    text"Electric potential of a steady-state voltammetric working electrode at the point, on the rising part of the voltammetric wave, where the current is equal to one-half of the limiting current."
    lang"en"
    type
    "Category:OSW57beed5e1294434ba77bb6516e461456"
    uri"http://emmo.info/electrochemistry#electrochemistry_2ae53fc6_d44d_41c9_acaf_c5606e6a981d"
    comment
    text"E1/2 is used in techniques providing a sigmoidal wave-shaped current including DC voltammetry/polarography, normal pulse voltammetry, hydrodynamic voltammetry, and tast polarography."
    lang"en"
    text"For quasi-reversible and irreversible electrode reactions, the value of E1/2 is also affected by the rate constant of the charge transfer reaction, the difference being greater than that caused by different diffusion coefficients."
    lang"en"
    text"The quarter-wave potential, Ep/4, the three-quarter-wave potential, Ep3/4 , etc., may be similarly defined."
    lang"en"
    subClassOf
    "http://emmo.info/electrochemistry#electrochemistry_aecc6094_c6a5_4a36_a825_8a497a2ae112"
    "http://emmo.info/emmo#EMMO_4f2d3939_91b1_4001_b8ab_7d19074bf845"

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