Elimination of the interfering effect of hydrogen on the determination of palladium by stripping voltammetry


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Abstract

The effect of hydrogen on the electrooxidation current of a palladium–hydrogen precipitate is studied. It is shown that the UV irradiation of the solution changes the mechanism of the formation of molecular hydrogen in the electrochemical deposition of palladium. A procedure is developed for determining palladium in platinum metal preconcentrates by stripping voltammetry.

About the authors

N. A. Kolpakova

Institute of Natural Resources

Author for correspondence.
Email: nak@tpu.ru
Russian Federation, Tomsk, 634050

S. M. Panova

Institute of Natural Resources

Email: nak@tpu.ru
Russian Federation, Tomsk, 634050

Yu. A. Os’kina

Institute of Natural Resources

Email: nak@tpu.ru
Russian Federation, Tomsk, 634050

Zh. K. Sabitova

Institute of Natural Resources

Email: nak@tpu.ru
Russian Federation, Tomsk, 634050


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