THE RADIOCHEMISTRY OF PLUTONIUM - Sciencemadness.org

Complex-formation reaction
TABLE IV-10. Stability Constants uf Pu(III) Ions*
Ionic
strength K Ref.
PU+3 + N03- = ~0~2 5.9 *0.5
PU+3 + 2NO; = PU(N03); 14.3 * 0.8
PU+3 + 3NO~ = PU(N03)f 14.4 * 0.8
PU+3
+2
+ cl- = pucl 0.5 0.58
1.0 1.1
PU+3 + S04-2 = Puso: 10
PU+3 + 2s04-2 = Pll(so4)2- 50
3.6 x 1011
*3
PU+3 -2 = PU(C204);
+ 2c204
+3
Pu
+ 3c204
‘2= PU(C204)3
-3
2.0 x 109
1.4 x 109
2.4 X 109
4.5 x 1010
PU+3 + 4c20~2 = PU(C204)4-5 4.2 X 1011
8.3 x 109
PU+3
*3
+ 4HC204 - = Pu(Hc204)~
6.3 x 1012
PU+3 -4 _
+7 -Puy
-4**
1.0 9.1 X101O
1.OX 1021=
1.0 2.3 X 1017
0.1 (1.3-3.9) x 1018
PU+3 + H7 -3 = Pll&” 7.7x 1011*3
PU+3 + %27
-2
= ;%
+2 + H+
1.0 1.6 X 109
Pu ‘3 + 4C6H507 “3 = fi(C6H507)4
-9
lx 1011
PU+3
+ 6c4H406
‘2 = PU(C4H406)6
-9
5X1O’5
Pu ‘3 + 5C2H302 ‘= Pu(C2H302)~2 5X1016 511
*Baaed on the review of Geli man et al. 3 The data are *en from this source
unless otherwise specified.
**7-4 . “
m the anion of ‘kthylenediaminet etraacdi c acid.
*3Values at zero ionic strength
19
.-