Separation and spectrophotometric determination of uranium(VI) by extraction with tri-n-octylphosphine oxide and benzophenone |
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| Authors: | Shigetomi Y Kojima T Kamba H |
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| Affiliation: | Department of Chemistry, Okayama College of Science, 1-1, Ridai-chō, Okayama-shi 700, Japan. |
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| Abstract: | Uranium(VI) is separated by extraction from nitric acid medium into a molten mixture of tri-n-octylphosphine oxide and benzophenone at about 50°. The organic phase solidifies on cooling and is separated and dissolved in ethanol. The uranium(VI) in this solution is then determined spectrophotometrically with 1-(2-pyridylazo)-2-naphthol. |
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