Decontaminating substrate with surface metal oxide layer containing radioactive species comprises contacting surface with oxidizing medium containing cerium(IV) and then with reducing medium

摘要

Decontaminating a substrate with a surface metal oxide layer containing radioactive species comprises contacting the surface with an oxidizing medium containing cerium(IV) at ambient temperature for a time no longer than the duration of the phase of fastest initial kinetics in the curve of erosion versus time, removing the oxidizing medium, contacting the surface with a reducing medium and optionally removing the reducing medium.