X-Ray Spectrometric Determination of Glass Content of Melts Incorporating Radioactive Waste: A Feasibility Study.

摘要

X-ray fluorescence spectrometry was evaluated for the determination of glass content and homogeneity of glass incorporating high-level radioactive waste. Accuracy and precision were determined for analyses of Al sub 2 O sub 3 ,SiO sub 2 ,CaO,TiO sub 2 ,MnO,Fe sub 2 O sub 3 ,and NiO in specimens of known composition. These specimens were prepared by fusing powdered glass with nonradioactive synthetic waste. Matrix effects of sodium on these analyses were specifically evaluated. X-ray fluorescence spectrometry was shown to be applicable to the proposed determinations by comparing the known glass contents of 14glass waste compositions with those calculated from experimentally determined concentrations of SiO or TiO sub 2 . (ERA citation 04:006313)