Abstract
Kinetics of post recoil isothermal annealing of crystalline Ba/CoEDTA/2 irradiated in a nuclear reactor or doped by 60Co(II) reveals a combination of a monotonous and an oscillatory part amounting 1-3% of the total. The permanent recombination has been found to consist of two first order processes leading to the octahedral structure of the six-co-ordinated 60Co(III).