Gamma emitting radioisotopes in samples of plankton. Values
expressed as per cent of the total radioactivity contributed by
each radioisotope at the time of collection.
Ss amoptle
Percent
Radioisotope
P-6
Mo99-T:98m
31
Np239
O,
a
&y
“hoy
“&
2.2
P-13*
Pp-15%
67
17
activity
P-15
P-17
62
13
Pp-25
P-26
P-34
P-35
3.6
5.3
81
74
3.6
2.7
0.6
0.9
2.0
1.9
Rul03_Rp103
3.0
1,5
0.8
0.3
1.1
1,0
Bal40-1,,140
2.9
2.4
0.7
2.2
4,4
2.3
Te 132-7132
1.4
7.3
5.4
9.9
Zr95-Nb?9
1.1
nd
0.7
1.7
Cel44_pr144
0.6
nd
nd
Rul06_py106
0.3
nd
nd
y237
nd**
11
Rul05_Rp105
nd
nd
nd
100
360
140
x 108
ws
73
total
Cel4l-prl4l
Total d/m/g
on
56
P-13
of
* Small plankton.
xe Not detected
13
0.3
0.3
12
0.5
0.1
nd
1.2
7.0
150
nd
nd
nd
nd
2.0
nd
15.0
3.3
nd
8.6
-O02-
Table 3,