Next , that undergoes isotope separation through the process of gaseous diffusion , or in a gas centrifuge .
In this process , the uranium oxides are combined with fluorine to form uranium hexafluoride gas ( UF ) .
That undergoes isotope separation through the process of gaseous diffusion , or in a gas centrifuge .
In this process , the uranium oxides are combined with fluorine to form uranium hexafluoride gas ( UF ) .