Muon radiative energy loss (in 1.0E06 cm^2/g) in Sodium carbonate (Na%2#CO%3#) with Z/A = 0.49062 (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.3412 0.1541 0.4547 0.9501 5. 0.4626 0.3773 0.4821 1.3220 10. 0.5621 0.5628 0.4687 1.5936 20. 0.6660 0.7635 0.4480 1.8776 50. 0.8060 1.0470 0.4254 2.2784 100. 0.9092 1.2464 0.4144 2.5699 200. 1.0071 1.4290 0.4088 2.8449 500. 1.1216 1.6128 0.4081 3.1426 1000. 1.1943 1.7244 0.4149 3.3334 2000. 1.2540 1.8015 0.4259 3.4814 5000. 1.3129 1.8692 0.4463 3.6284 10000. 1.3438 1.9011 0.4669 3.7119 20000. 1.3656 1.9214 0.4910 3.7779 50000. 1.3834 1.9375 0.5288 3.8497 100000. 1.3920 1.9441 0.5611 3.8972