Table 1.

The ⁵⁶Mn specific activities A₀ and tissue average cumulative absorbed doses D of internal irradiation in various organs and tissues of experimental rats [6]

	56Mn(1×)		56Mn(2×)		56Mn(4×)
	A 0 (kBq/g)	D (Gy)	A 0 (kBq/g)	D (Gy)	A 0 (kBq/g)	D (Gy)
Liver	4.14 ± 0.35	0.015 ± 0.001	1.40 ± 0.33	0.005 ± 0.001	3.00 ± 0.70	0.011 ± 0.003
Heart	5.46 ± 0.60	0.016 ± 0.021	2.00 ± 0.30	0.006 ± 0.001	4.50 ± 0.94	0.014 ± 0.004
Kidney	3.97 ± 0.48	0.013 ± 0.002	2.30 ± 0.51	0.008 ± 0.002	3.60 ± 0.60	0.012 ± 0.003
Tongue	45.0 ± 5.4	0.069 ± 0.011	12.0 ± 2.8	0.018 ± 0.005	28.0 ± 5.0	0.043 ± 0.012
Lungs	71.8 ± 9.3	0.100 ± 0.014	37 ± 7	0.051 ± 0.011	81 ± 13	0.110 ± 0.023
Esophagus	25.5 ± 3.6	0.050 ± 0.009	6.4 ± 1.6	0.012 ± 0.003	16 ± 3.3	0.030 ± 0.007
Stomach	148 ± 16	0.24 ± 0.03	140 ± 28	0.22 ± 0.06	210 ± 47	0.33 ± 0.08
Small intestine	811 ± 93	1.33 ± 0.17	350 ± 79	0.58 ± 0.14	890 ± 210	1.48 ± 0.37
Large intestine	1011 ± 100	1.65 ± 0.18	410 ± 87	0.69 ± 0.17	1160 ± 270	1.90 ± 0.47
Trachea	5.79 ± 0.75	0.014 ± 0.002	3.90 ± 0.77	0.010 ± 0.002	6.50 ± 1.40	0.016 ± 0.004
Eyes	13.2 ± 1.7	0.021 ± 0.003	19.0 ± 4.4	0.031 ± 0.008	24.0 ± 5.3	0.004 ± 0.010
Skin	40.6 ± 4.9	0.076 ± 0.010	45.0 ± 8.2	0.086 ± 0.020	49.0 ± 9.0	0.095 ± 0.020
Whole body	83.4 ± 11.0	0.150 ± 0.025	51.0 ± 11.0	0.091 ± 0.026	77.0 ± 15.0	0.140 ± 0.030

⁵⁶Mn(1×); Initial total activity of 100 mg ⁵⁶MnO₂ powder sprayed was 2.74 × 10⁸ Bq [22].

⁵⁶Mn(2×); Initial total activity of 100 mg ⁵⁶MnO₂ powder sprayed was 5.48 × 10⁸ Bq.

⁵⁶Mn(4×); Initial total activity of 100 mg ⁵⁶MnO₂ powder sprayed was 1.10 × 10⁹ Bq.