Time evolution of the enantiomeric excess of APED systems based on experimental data, for different concentrations in residues c. Calculated for eeini = 0.01; a = 10–8 s–1, b = 5·10–4 s–1, p = 2·10·2 s–1·M–1, α = 0.35, h = 10–7 s–1, β = 0.2, e = 10–7 s–1, γ = 0.3.