Deviation σ (see Eq. (19)), between particle densities obtained with time-independent PRODIMO (n_i) and GGchem $({\stackrel{\circ }{n}}_i)$ at various temperatures and densities from grid_0. The blank rectangles at the bottom mark the models which do not converge. The numbers on the x-axis correspond to the ascending list of densities in Table 5. The central white labels mark the species that contribute most to σ.