-59-
Appendix Table 1. Volumes in milliliters of eluted fractions
obtained in the lon-exchange experiments with Dowex 50
Experiment Number
Fraction
T
It.
IIt
IVA
IVB
Vv
99
60
49
20
50
30
230
---
4.5
---
a5
22
25
20
0.5% Oxalic acid
200
40
40
«637-—s
88
ha
40
0.15 N NH,C1 +
0.1 N HCl
0
0
0
ko
26
38
4Q
PH 3.5
260
60
64
62
£60
55
60
3.1
3.3
3.4
140
360
400
pH 4.1
200
57
40
33
46
42
40
pH 4.6
200
30
4O
8630~—Ss
32
30
30
PH 5.1
200
20
40
620s
20
20
20
pH 5.6
200
29
40
8=6300—t—s=32
30
30
Anions
HCl wash
Spikes
Ammonium citrate - 5%
pH 6.1
200
22
4o
4022)—C—ié
20
20
Appendix Table 2, Volumes in milliliters of eluted fractions
obtained in the ion-exchange experiments with Dowex 1
Fraction
Experiment Number
iit.
IV
12 M HCl
6M
4M
11.7
9.2
8.3
28
10
10
2.5 M
0.5 M
0,005 M
8.2
9.8
11.6
9.8
15
20
30
Distilled water
-—