Muon radiative energy loss (in 1.0E06 cm^2/g) in Sodium with Z = 11, A = 22.98976928(2) (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.3964 0.1823 0.4457 1.0244 5. 0.5379 0.4448 0.4732 1.4559 10. 0.6534 0.6597 0.4606 1.7737 20. 0.7736 0.8908 0.4408 2.1053 50. 0.9347 1.2182 0.4191 2.5719 100. 1.0527 1.4472 0.4085 2.9083 200. 1.1646 1.6562 0.4032 3.2240 500. 1.2948 1.8641 0.4026 3.5615 1000. 1.3769 1.9895 0.4093 3.7756 2000. 1.4442 2.0755 0.4200 3.9396 5000. 1.5101 2.1507 0.4399 4.1007 10000. 1.5445 2.1861 0.4600 4.1906 20000. 1.5690 2.2086 0.4834 4.2610 50000. 1.5883 2.2266 0.5201 4.3350 100000. 1.5978 2.2339 0.5515 4.3833