Encyclopedia of Astrobiology

Living Edition
| Editors: Muriel Gargaud, William M. Irvine, Ricardo Amils, Henderson James Cleaves, Daniele Pinti, José Cernicharo Quintanilla, Michel Viso

Kinetic Isotope Effect

Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-27833-4_5240-1

Synonyms

Definition

A kinetic isotope effect ( KIE) is an effect observed due to differences in the chemical reaction rates of a molecule with a heavier isotope ( k H) relative to one containing a lighter isotope ( k L):
$$ KIE={k}_{\mathrm{L}}/{k}_{\mathrm{H}}. $$

Keywords

Organic Carbon Isotopic Composition Isotopic Ratio Bioorganic Chemistry Isotopic Fractionation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.Yokohama National UniversityYokohamaJapan