Preferred Label : isotopic fractionation factor;
IUPAC definition : The ratio \[\frac{(x_{1}/x_{2})_{{A}}}{(x_{1}/x_{2})_{{B}}}\] 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 strong A /strong and strong B /strong in the same
or different chemical species). The term is most commonly met in connection with deuterium
solvent isotope effects, when the fractionation factor Φ expresses the ratio: \[Φ
\frac{(x_{{D}}/x_{{H}})_{{solute}}}{(x_{{D}}/x_{{H}})_{{solvent}}};
Origin ID : I03343;
See also
The ratio \[\frac{(x_{1}/x_{2})_{{A}}}{(x_{1}/x_{2})_{{B}}}\] 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 strong A /strong and strong B /strong in the same
or different chemical species). The term is most commonly met in connection with deuterium
solvent isotope effects, when the fractionation factor Φ expresses the ratio: \[Φ
\frac{(x_{{D}}/x_{{H}})_{{solute}}}{(x_{{D}}/x_{{H}})_{{solvent}}}
