Figure 8
Mapping of the thorium concentration profile after melting of the (a) (NaF:ThF4) = (0.67:0.33) and (b) (NaF:ThF4) = (0.5:0.5) salt mixtures. The thorium fluorescence signal was collected at 17 keV while scanning the sample surface along the y and z axes. The colour scale corresponds to the fluorescence signal normalized to the intensity of the incident beam. |