THE RADIOCHEMISTRY OF PLUTONIUM - Sciencemadness.org

D,
l?
D
Ic
n.
0 5 10
Concentration
of HN03 In aqueous @ase, &
Fig. 3. Dependence of distribution coefficient
of Pu(IV) into TBP on concentration
of nitric
solutions
acid in aqueous
not containing
phase
uranyl
(for
nitrate).
281
Curve 1-20°, curve 2-30”. curve 3-50°,
and curve 4-70°
1.0
Tempera ture, °C
Fig. 5. Dependence of distribution coefficient
of Pu(lV) into TBP on temperature
with a uranium content of 0.42 M in the
aqueoua phase. 281 concentrati~n of
HN03: curve 1-0. 5N, curve 2-IN,
curve 3-2N, curve 4-3N, curve 5-4N,
curve 6-6N, curve 7-8N, and curve
8-1 ON.
32
n
I
( )
.Ib
20 30 40 50 60 70
Tempera ture, °C
Fig. 4. Dependence of distribution coefficient
of Pu(IV) into TBP
in solutions not containing
on temper
uranium. tiYe
Concentration of HNO : curve 1- O.5N,
curve 2- lhT, curve 3- 2N,
curve 4-3N,
curve 5-4N, curve 6-1 ON, curve 7-5N,
and curve 8-6 to 8N.
IO LA NTHANIDES
A TRIPOSITIVE
~ # 5*I
[02 ACTINIOES ~ HNO~
I:L
LaCe Pr Ndpm-u GdTb Oy HoEr TmYb
Fig. 6. Distribution coefficient as a
function of position in the lanthanide
and actinide series. 43. 177
#
0 Lanthanid es
A Tripositive actinides
#
3
n