Extraction chromatographic separation of uranium (VI) with Amberlite LA-1 from malonic acid.
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概要
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Uranium(VI) was extracted between pH 2.5 to 6.0 from 0.01 mol dm<SUP>−3</SUP> malonic acid on a column of silica gel with Amberlite LA-1 as the extractant. It was stripped from the column with 1–2 mol dm<SUP>−3</SUP> of hydrochloric, sulfuric, and nitric acids. Uranium(VI) was separated from alkali, alkaline earths, manganese, iron, cobalt, nickel, zinc, yttrium, lanthanum, cerium in binary mixtures by exploiting the difference in the pH of formation of malonato complexes. Uranium was separated from zirconium, hafnium, thorium, scandium, and titanium by taking its advantage of stability of chloro or sulfato complexes. The method was tested for the standard reference rock samples.
- 公益社団法人 日本化学会の論文
著者
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Narayanan Prakash
Department of Chemistry, Indian Institute of Technology
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Khopkar S.
Department of Chemistry, Indian Institute of Technology
関連論文
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