RFSS : Lecture 14 Plutonium Chemistry. Isotopes from 228≤A≤247 Important isotopes 238 Pu 237 Np(n, g ) 238 Np 238 Pu from beta decay of 238 Np Separated from unreacted Np by ion exchange Decay of 242 Cm 0.57 W/g Power source for space exploration
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Oxidation state distribution diagram showing predominant oxidation state of plutonium in 1 M (H,Na)ClO4 solution as a function of pH and (a) average oxidation state
Pu(IV), and (b) average oxidation state Pu(V)
Kinetics for disproportionation of plutonium in 1 M (H,Na)ClO4solution at
(a) pH 1 and average oxidation state Pu(IV), and (b) pH 3 and average oxidation state Pu(V)
Pu(III) 10 mM
Pu(V) 10 mmol/L
Pu(VI) 10 mmol/L
Formation of Pu metal
demonstrates change in f-electron behavior at Pu
Fluorination of PuF4 by fluorine diluted with He/O2 mixtures to produce PuF6 (Steindler, 1963).
absorption spectrum of gaseous PuF6from Steindler and Gunther (1964a)
phase diagram of KCl–PuCl3system