-17-
Table 5.
Summary of the radioassay by iton-exchange analysis
of liver tissue of reef fish from Enibuk Island,
July 11, 1957
Dowex 50 separation
Fractions in order
of elution
0.5% oxalic acid
5% ammonium citrate
pH 3.5, b-m
tt
(Counts made in October
Isotope
Feo)
d/m
ash
sample
1957
d/m/eg
wet
weight
11,872
516
zn0>
6,187
269
6
ft
bt
Cobl
5, 902
257
wom
4
C938
1,102
48
owen
C069
489
21
pH 4.1, a-i
Mn54
108
5
pH 5.1, b-k
Sr 90
0
0
Mn5#
458
20
pH 3.5, 0o,p and
Dowex 1 separation**
Fractions in order
of elution
6 M HCl
4 and 2.5 M HCl
hon
ow one
Col!
3,968
172
Hom
on
C60
756
33
Zn©5
11,898
517
om
0.005 M HCl
o4
6058
485
21
——
* Ash weight of sample 0.384 grams.
**These fractions contained considerable amounts of
manganese, cobalt, and zinc, indicating an overloading of the Dowex 50 cationic resin.
4
park gy
ee