Postirradiation examination report of TRISO and BISO coated ThO/sub 2/ particles irradiated in capsules HT-31 and HT-33. [HTGR] Page: 59 of 105
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TABLE 4-6
FISSION PRODUCT INVENTORY OF TRISO PARTICLES IRRADIATED IN HT-33
Sample Number
Capsule
Position
Zr-95
(dpm)
Cs-137 (dpm)
Ce-144
(dpm)
Cs/Zr
Theoretical
Measured
Measured
Mean
Standard
Deviation
Theoretical
Measured
Theoretical
Measured
Theoretical
Measured
6252-08-0161-004
33-27
7.70
X
to10
7.85
X
IO10
7.81
X
,08
6.71
X
,08
1.96
X
o
o
2.00
X
o
0.0101
0.0085
0.0040
, 0.0029
8.30
X
to’0
1.55
X
,08
2.02
X
to’0
0.0019
-
7.44
X
to”
9.13
X
tO7
1.69
X
io”
0.0012
7.72
X
1010
4.17
X
,08
1 .99
X
to’°
0.0054
7.69
X
to”
1.31
X
to8
1.78
X
to”
0.0017
7.43
X
,o'°
*3.71
X
,08
1.74
X
to10
0.0050
6252-09-0161-003
33-40
5. 38
X
to”
5.63
X
to’0
5.37
X
io8
5.83
X
,08
1.33
X
io”
1 .37
X
to’0
0.0100
0.0104
0.0102
0.0002
5.61
X
,o’°
5.72
,08
1.14
X
,o”
0.0102
5.68
X
to”
5.70
X
,08
1.37
X
to10
0.0100
5.55
X
-o'°
5.70
X
10*
1.39
X
to’0
0.0103
5.66
X
to'0
5.70
X
,08
1.30
X
to’0
0.0101
5.49
X
10,U
5.51
X
108
1 .48
X
to”
0.0100
6252-07-0261-003
33-42
4.99
X
to”
5.41
X
io’°
4.97
X
to8
5.24
X
.o8
1.23
X
to’0
1.26
X
to”
0.0100
0.0097
0.0100
0.0002
5.31
X
io10
5.15
X
108
1.27
X
to'0
0.0097
5.24
X
to’0
5.40
X
,08
1.25
X
to’0
0.0103
5.19
X
-o'0
5.21
X
,08
1.11
X
to’0
0.0100
5.17
X
to’0
5.15
X
108
1 .14
X
o
0.0100
5.19
*
to”
5.27
X
IO8
1.37
X
to”
0.0102
6252-07-0161-003
33-43
4.87
X
s
o
5.08
X
io10
4.84
X
108
5.01
X
108
1.19
X
o
o
1 .20
X
to’0
0.0099
0.0099
0.0100
0.0001
5.29
X
10’°
5.32
X
108
1.37
X
to”
0.0101
5.20
X
to’0
5.13
X
tO8
1 .1.7
X
,o”
0.0099
5.07
X
to”
5.02
X
108
1.21
X
to10
0.0099
5.40
X
to”
5.39
X
108
1.19
X
to’0
0.0100
5.26
X
to’0
5.33
X
H>8
1 .24
X
to’0
0.0101
6252-05-0160-007
33-45
6.56
X
to”
7.10
X
io’°
6.51
X
tO8
7.06
X
,08
1.60
X
to”
1.62
X
to’0
0.0099
0.0099
0.0100
0.0002
6.76
X
,o’°
6.90
X
I0ri
1.59
X
,o”
0.0102
6.99
X
to’0
6.87
X
tO8
1.65
X
to’0
0.0098
7.04
X
.o'°
6.99
X
108
1.48
X
to’0
0.0099
6252-06-0261-003
33-46
4.31
X
,o’°
4.68
X
io’°
4.26
X
io8
4.74
X
108
1.05
X
o
o
1.16
X
,o”
0.0099
0.0101
0.0099
0.0007
4.57
X
,o’°
3.89
X
,o8
1.16
X
to10
0.0085
4.69
X
to’0
4.68
X
to8
1.14
X
,o”
0.0100
4.59
X
,o’°
4.60
X
tO8
1.04
X
to’0
0.0100
4.52
X
io’°
4.69
X
tO8
1.08
X
to’0
0.0104
4.57
X
,o”
4.67
X
to8
1.01
X
to”
0.0102
6252-06-0161-003
33-48
3.94
X
,0'°
4.30
X
o
o
3.88
X
to8
4.38
X
108
9.52
X
109
1.09
X
to’0
0.0098
0.0102
0.0100
0.0003
4.25
X
,o’°
4.09
X
io8
9.69
X
109
0.0096
6.20
X
1010
6.1 1
X
108
1.58
X
to”
0.0099
4:11
A
io”
4. 13
X
10s
8. sy
5c
,09
0.0101
4.12
X
-o’°
4.22
X
tO8
8.89
X
109
0.0102
4.44
X
to’0
4.29
X
,08
1.03
X
to”
0.0097
6252-08-0161-003
33-49
3.73
X
io10
4.03
X
io”
3.67
X
108
3.99
X
108
8.99
X
io9
9.04
X
io9
0.0098
0.0099
0.0100
0.0002
3.88
X
io”
3.97
X
tO8
9.04
X
to9
0.0102
3.93
X
io”
3.94
X
iott
8.97
X
to9
0.0100
3.84
X
io”
3.92
X
to8
8.32
X
109
0.0102
3.89
X
in”
3.80
X
108
9.54
X
to9
0.0098
3.88
X
io10
3.81
X
1 o8
8.32
X
109
0.0098
6252-10-0161-003
33-51
3.33
X
to’0
3.56
X
to’0
3.27
X
108
3.69
X
108
7.98
X
109
9.18
X
to9
0.0098
0.0104
0.0099
0.0003
3.64
X
to’0
3.56
X
108
8.24
X
109
0.0098
3.75
X
io”
3.63
X
10s
9.26
X
to9
0.0097
3.72
X
10”
3.63
X
,0°
8.82
X
io9
0.0098
3.55
X
io”
3.54
X
108
8.53
X
io9
0.0100
,3.58
X
IO10
3.38
X
10ti
8.10
X
109
0.0094
4-21
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Sedlak, B.J. Postirradiation examination report of TRISO and BISO coated ThO/sub 2/ particles irradiated in capsules HT-31 and HT-33. [HTGR], report, January 1, 1980; San Diego, California. (https://digital.library.unt.edu/ark:/67531/metadc1093252/m1/59/: accessed March 28, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.