SEARCH Articles Figures Tables A few comments about uranium and plutonium elemental structures Further Processing of Uranium and Plutonium Solutions Natural Thorium, Uranium, and Plutonium Plutonium and Uranium Recovery Procedure 6. Separation of Plutonium from Uranium and Fission Products in Irradiated Reactor Targets URANIUM, NEPTUNIUM, PLUTONIUM AND AMERICIUM Uranium , and Uranium plutonium