(2) Carroll, D. F.. J A m . C h a m . Soc 46, 194 5 ( I Y h i ) ( I 1) hlulf(.~rd,K . N . K , L.llingrr, E’. €1 , .J. A m . Chem. .%c. 80, No. 8, (3) Chikalla. T. I)..Plutonium 1960. P70c Inlrrn. Coni H U / W Z / U J I / 2023 11958) ~~, Met.,Grenobia, Franc? 1960, p. 4 5 5 - 8 8 , Cleavrr Hum; Prrss. I.on(12) Rare Metals ffaniitmJh, (::. A . Marnprl. f-d., 2nd ed , p. 369, don, 1961. Kcinhold, Ne\%.York, 1961. (4) Chikalla, T. I)., McNeilly, C . E’,: Skavdahl. K. I,., “ I ’ h r . (13) Reactor Handbook, C: K. ‘lipton. Jr., Ed., 2nd. ed.. Vol. 1, Plutonium-Oxygen System,” Hanford Atornic l’rod[lcts ( )tieraMaterials. p. 278. 1nterscirnc.e. Nevv York, 1960. tion, FILV-74802, September 1 962. (14) K e d . T. R.. .I. .4{1p/.Phvr. 32, No. 5, 821 (1961). (5) Cohen, I . , Schanrr, R. E., “ A M~tallogInphic~ a n ( l X-l