time-dependent stoichiometry

https://doi.org/10.1351/goldbook.T06378
A state in which if intermediates are formed in significant amounts during the course of a reaction, the overall @[email protected] equation does not apply throughout.
Source:
PAC, 1981, 53, 753. (Symbolism and Terminology in Chemical Kinetics) on page 754 [Terms] [Paper]