Chemical annealing of damage Co(II) in gamma-irradiated hexamminocobalt(III) nitrate

Chemical annealing of damage Co(II) in γ-irradiated hexamminocobalt(III) nitrate has been carried out between 410 and 440 K. The concentration of Co(II) first increases to a maximum, approximately same for different temperatures and then decreases, the latter part of the recovery isotherms exhibit usual annealing behaviour. The data are discussed in the light of theories of diffusion controlled mechanisms as well as conventional method of analysis. The increasing part of the recovery isotherms follows first order kinetics whereas the decreasing part obeys second order process.