The ratio of alternative products formed in a reaction (e.g. the
HF /
DF ratio in the reaction between
F and
HD).
Sources:
PAC, 1982, 54, 1533. 'Glossary of terms used in nuclear analytical chemistry (Provisional)' on page 1536 (https://doi.org/10.1351/pac198254081533)
PAC, 1996, 68, 149. 'A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)' on page 154 (https://doi.org/10.1351/pac199668010149)