Kinetic Isotope Effect
(Sprache: Englisch)
The kinetic isotope effect (KIE) is a dependence of the rate of a chemical reaction on the isotopic identity of an atom in a reactant. It is also called "isotope fractionation," although this term is somewhat broader in meaning. An isotopic substitution...
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The kinetic isotope effect (KIE) is a dependence of the rate of a chemical reaction on the isotopic identity of an atom in a reactant. It is also called "isotope fractionation," although this term is somewhat broader in meaning. An isotopic substitution will greatly modify the reaction rate when the isotopic replacement is in a chemical bond that is broken or formed in the rate limiting step. In such a case, the change is termed a primary isotope effect. When the substitution is not involved in the bond that is breaking or forming, a smaller rate change, termed a secondary isotope effect is observed. Thus, the magnitude of the kinetic isotope effect can be used to elucidate the reaction mechanism. If other steps are partially rate-determining, the effect of isotopic substitution will be masked.
Bibliographische Angaben
- 2009, 140 Seiten, Kartoniert (TB), Englisch
- Herausgeber: McBrewster, John, Miller, Frederic P., Vandome, Agnes F.
- Verlag: Alphascript Publishing
- ISBN-10: 6130270941
- ISBN-13: 9786130270940
Sprache:
Englisch
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