Abstract
The fluorination of plutonium tetrafluoride by elemental fluorine to form plutonium hexafluoride was studied in a flow system at temperatures between 100 and 500 deg C. Partial pressures of fluorine from 0.25 to 1.0 atmosphere were used. The plutonium tetrafluoride was obtained from several sources, including the dissolution of uranium-plutonium alloys in bromine trifluoride. Activation energies between 10 and 12 kcal/mole were obtained. Details are included on the techniques and precautions employed in handling powdered plutonium compounds and plutonium hexafluoride. (auth)
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