THE RADIOCHEMISTRY OF PLUTONIUM - Sciencemadness.org

TABLE IV- 16. Compiled Data on Extraction of Pu(IV) by Neutral ~rgano-phosphorous Compounds
Extractant Extractant Nitric Acid Pu Datl M Relative
Concentration Concentration Cone. D Given Extracta~t Extractability
Phosphatea
Tribut yl (TBP)
Ililuent
Kerosene
Vol. Y, (M)
19 (0.69)
(M) (a)
1.0
(M)
, –.
T(d)
in Paper
1.5
(b)
3.2
(TBP = I. O)(c)
1.0
Reference
44
Gulf BT “
Kerosene
Kcroaene
Benzene
Mesitylene
Heptane
Nonane
------
Xylene
n -Dodecane
Dibut yl Carbon
methyl tctrachloride
Dibutyl - decyl Carbon
tetrachloride
Triisobutyl n -Dodecane
Tri- n-amyl n -Dodecane
Tri-iaoamyl n -Dode cane
Tri- n -hexyl n -Dodecane
30 (1.09)
40 (1.46)
20 (0.73)
20 (0.73)
100 (3,65)
(1)
30 (1.09)
(o. 5)
(o. 5)
(1.09)
(1.09)
(1.09)
(1.09)
-3.0
1.0
1.0
3.0
2 (initial)
2 (initial)
3
3
3
3
T
T
.9X1 O-4
Tri- n -octyl n -Dodccane (1,09) 3 T 15.3 12.9 0.95 376
NOTES:
T
T
T
0.0038
0.0036
T
T
T
T
3.0
3.5
1.36
14.1
6.4
4.72
5.46
36.
3.0
16.1
0.71
2.3
11.8
15.6
17.8
15.6
2.5
1.6
2.6
26.3
11.9
8.8
10.2
1,0
3.0
13.5
2.8
9.2
9.9
13.1
15.0
13.1
92, 93
76
281
I 0.45 69
364
364
364
364
41
187
376
1.26 69
0.73 376
0.97 376
1.10 376
0.97 376
(a) Equilibrium agueous concentration are listed except as noted.
(b) Calculated by aaaurning
the extractant.
di- solvation and ideality in the organic phaae; i. e., D1 ~ = Dfl ~ 2 where
()
x is the concentration of
(c) Calculated by comparing to TBP under the same conditions under the same ev~rime~al conditions where poaaible. Otherwise
the comparison is made indirectly. These caaea are noted.
(d) T representa tracer quantities of Pu.