Muon radiative energy loss (in 1.0E06 cm^2/g) in Cobalt with Z = 27, A = 58.933195(5) (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.8449 0.3969 0.4093 1.6511 5. 1.1548 0.9971 0.4179 2.5698 10. 1.4063 1.4675 0.4271 3.3008 20. 1.6648 1.9452 0.4105 4.0204 50. 2.0065 2.6447 0.3919 5.0432 100. 2.2526 3.1200 0.3829 5.7555 200. 2.4810 3.5520 0.3785 6.4115 500. 2.7434 3.9605 0.3784 7.0822 1000. 2.9056 4.1827 0.3844 7.4727 2000. 3.0350 4.3457 0.3941 7.7747 5000. 3.1585 4.4835 0.4119 8.0539 10000. 3.2214 4.5481 0.4298 8.1993 20000. 3.2639 4.5901 0.4505 8.3046 50000. 3.2996 4.6222 0.4830 8.4048 100000. 3.3160 4.6356 0.5107 8.4622