Neutron Exposure Rate From The Oxide Form Of Radionuclides - Panasonic PT-DZ12000U Operating Instructions Manual

mrem/hr per Pu
Ci at 30 cm
Neutron and gamma exposure rates from Spontaneous
Fission for Pu and U Power Source Radionuclides
Primary
Half-life
238
Pu 87.7 y
234
U 2.45E5 y 6.22E-3
239
Pu 2.41E4 y 6.21E-2
240
Pu 6.56E3 y 0.227
241
Pu 14.4 y
241
Am 432.7 y
242
Pu 3.75E5 y 3.94E-3
238
U 4.47E9 y 3.36E-7
234
Th 24.1 d
234m
Pa 1.17 m
235
U 7.04E8 y 2.16E-6
231
Th 25.22 h
234
U 2.46E5 y 6.22E-3
Neutron exposure rate
from the oxide form of radionuclides
238 234
U
2.5 2E-2
Ci / g
17.1
103
3.43
2.32E4
6.86E8
5.32E5
239
Pu
2.6E-5 3.6E-4 8.7E-8 0.1
ã mrem /hr
per Ci
@ 30 cm
0.16
0.3
0.13
0.16
- - -
170
- - -
0.4
35.6
50
755
48
0.3
172
240 242
Pu Pu
Spontaneous Fission
mrem /hr per
S.F. Ci @ 30 cm
Half-life
4.9E10 y
2E16 y
5.5E15 y
1.39E11 y
- - -
2E14 y
7E10 y
7E15 y
- - -
- - -
1.9E17 y
- - -
2E16 y
241
Am
ã ç
- - - - - -
- - - - - -
- - - - - -
1 - - -
- - - - - -
- - - - - -
5 10
0.6 1.2
- - - - - -
- - - - - -
- - - - - -
- - - - - -
- - - - - -