Preparation of the Source of Uranium Ions by Means of Electroplating

概要

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A coil of tungsten filament was placed in an aqueous solution of uranyl nitrate(ca. 1 mg uranyl nitrate per 1 ml water)and a platinum ribbon was placed in a dilute(ca. 1%)sodium carbonate solution, both solutions were separated by an anion exchange membrane. These solutions were electrolyzed(cathod: tungsten filament, anode: platinum ribbon, current density: 0.03-0.08 amp/;cm<SUP>2</SUP>)then uranium oxide was deposited on the surface of the tungsten filament in the form of homogeneous vitreous film of orange color. This uranium oxide coated tungsten filament was found to give steady ion currents of uranium in the single filament ion source of the mass spectrometer even when the temperature of the filament was relatively rapidly(ca. 30° per min.)increased.
日本質量分析学会の論文