Mixture mean ionization
Multispecies Thomas–Fermi average atom. In a mixture the species are coupled: each claims the subvolume that puts it in pressure equilibrium with its neighbors, so Z depends on what else is in the cell.
TEMPEST Tools
Stanton–Murillo transport
Ionic transport coefficients for high-energy-density matter, from the effective-Boltzmann collision integrals of Phys. Rev. E 93, 043203 (2016).