Biomedical Engineering Reference
In-Depth Information
Major Radiations,
Mass Difference
Natural
Energies (MeV), and
=
M
-
A
(MeV)
Abundance
Type of
Frequency per
(at. mass - at.
Nuclide
(%)
Decay
Half-Life
Disintegration (%)
mass No.)
8
39
Y
+
: 3.17 max (1.8%) and others; avg
β
+
0.759
—
-79.23
EC 67%
14.74 h
β
+
33%
γ
±
),
0.628 (33%), 0.703 (15%),
0.777 (22%), 1.077 (83%),
1.153 (31%), 1.854 (17%),
1.925 (21%), Sr X rays
β
γ
: 0.443 (17%), 0.511 (66%,
9
39
Y
-
-
: 2.284 max (avg 0.935), no
γ
—
-86.50
β
64.0 h
β
9
43
Tc
-
10
5
y
-
: 0.294 max (avg 0.101), no
—
-87.33
β
2.12
×
β
γ
99
43
Tc
—
-87.18
IT
6.02 h
: 0.140 (89%), Tc X rays
e
-
: 0.002, 0.119
γ
10
45
Rh
100
-88.014
—
—
—
103
45
Rh
—
-87.974
IT
56.12 min
: 0.040 (0.07%), Rh X rays
e
-
: 0.017, 0.037, 0.039
γ
10
46
Pd
—
-87.46
EC
16.96 d
: 0.062 (0.001%), 0.295
(0.003%), 0.357 (0.022%),
0.497 (0.004%), Rh X rays
Daughter radiations from
103m
Rh
γ
11
48
Cd
12.26
-89.041
—
—
—
11
48
Cd
28.86
-90.018
—
—
—
11
49
In
-
5.1 × 10
15
y
-
: 0.494 max (avg 0.152), no
γ
95.70
-89.54
β
β
