All commercial enrichment methods involve first gasifying the uranium with fluorine, creating the gas uranium hexafluoride.

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For one thing, fluorine-18 decays far more slowly than other biologically useful positron emitters.

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The new molecule, a uranium 235 atom surrounded by just five fluorine atoms, is no longer a gas.

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The pollutants that the scientists focused on were compounds containing carbon and halogens - fluorine, chlorine, bromine or iodine.

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D. in chemistry from Cambridge University, where he started to experiment with fluorine and other explosive chemicals, and once detonated his lab.

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One possibility, says Oak Ridge's Williams, is that a second laser is then used to blast off one of the fluorine atoms in the molecule.

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Five fluorine atoms on the molecule were used as qubits.

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After etching away the chrome, DuPont beams fluorine atoms in a highly excited plasma state to cut away parts of the quartz itself from selected parts of the design.

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If the Fluorine gas method is utilized to simplify the Uranium-233 separation and reprocessing then we are right back into the issue of potential for proliferation of fissile material for weapons production.

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