a
co"2 MEV, Ce**- Pr'** 03 -.13 MEV
ba
a
WHOLE PLANKTON
i
+—— pH 3.5A-D (MANGANESE,
COBALT, & ZINC)
C
4
Cs
60
137
88
Co
67]
.8]
65
Zn
/.l2
60
oO LI7 MEV
q
_
MEV Co® -
1.33 1
i
’
~
ou
nN
N
+
;
17
[
Lioiti sl
50,51, 52,53
[pr 12 MEV
:
8!
ae
MEV
112
MEV
«4
MEV] MEV MEV
Lett lk
a
1
4
—,
-
J
‘
og
.
CANIONS ‘oncom
FOXALATE(ZIRCONIU
\ 4
pH3.5A-07%)
NIOBIUM) “s
r
, (MANGANESE, §, 5
-|. pH 3.5E 4.1"s.
COBAL
how
(CESIUM)
02
Fig. 3a
0.4
L
4.
06
08
MEV
.£
0
T ,& ZINC)-4
1
I.2
- GM HCL(Co”,
e
Co” Co” )
—
i
4
DOE ARCHIVES
Gamma curves of fractions eluted from
Dowex 50. Zr95 was eluted by HCl (ants)
and oxalate, Cs by pH 3.5-4.1 citrate,
and radioactive Zn, Co and Mn by pH 3.5
a-d citrate.
The separation of these
Al
r12M HCL (Mee
elements is shown in Figure 3b.
A.
02
Fig. 3b
04
—_
L
06 08
MEV
AL
10
3
2
14
Gamma curves on a second
elution of the pH 3.5 Dowex
50 fraction on Dowex l. gpe
separations of
Mn 2 » on
and the three Co radioisotopes are shown.