Abstract

Methods are described for the determination of palladium, rhodium, and ruthenium in matte solutions by means of x-ray fluorescence. The best results for palladium determinations were obtained using background measurements to calculate absorption effects. Palladium was used as a variable internal standard for the determination of rhodium and ruthenium. Coefficients of variation of the order of 1% were obtained throughout.

First-ionizationpotential of ruthenium, rhodium, and palladium by double-resonance ionization spectroscopy

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