TERMIUM Plus®

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ISOTOPIC FRACTIONATION FACTOR [1 record]

Record 1 1998-02-27

English

Subject field(s)
  • Chemistry
DEF

The ratio (x1/2)A/(x1/2)B where x is the abundance, expressed as the atom fraction of the isotope distinguished by the subscript numeral, when the two isotopes are equilibrated between two different chemical species A and B (or between specific sites A and B in the same or different chemical species). The term is most commonly met in connection with deuterium solvent isotope effects ...

French

Domaine(s)
  • Chimie
DEF

Rapport (x1 x2)A (x1 x2)B dans lequel x1 et x2 représentent les fractions isotopiques de deux isotopes caractérisés par les indices 1 et 2, lorsque les deux isotopes se répartissent conformément aux lois des équilibres, entre deux espèces chimiques A et B (ou éventuellement, entre deux sites donnés A et B appartenant à la même espèce ou à des espèces différentes). On rencontre cette expression surtout lorsqu'il s'agit de l'effet isotopique d'un solvant partiellement deutéré [...]

Spanish

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