Abstract
An XRF method for the determination of Y, Ce, Pr, Nd, Eu and Gd in high purity samarium oxide is described. Samples in oxalate form are mixed with boric acid in the ratio 3∶1. About 800 mg of the mixture is pressed as a double layer pellet. Experimental parameters are selected to give maximum peak to noise ratio. The analysis lines are chosen after studying line interferences. The estimation limit ranges from 0.005% to 1% for most elements.
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