Verteilung Von Uran(IV) Zwischen Wässriger Salpetersäure und Lösungen Des Nitratsalzes Des Primären Amins Primene JM-T |
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Authors: | E R Schmid E Jünger |
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Institution: | 1. Analytisches Institut der Universit?t Wien, Wien, ?sterreich
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Abstract: | The distribution of uranium(IV) between aqueous nitric acid solutions and solutions of the nitrate salt of the primary amine
Primene JM-T in various diluents is described. The influence of the concentration of the acid, nitrate and perchlorate in
the aqueous phase is studied, taking into account the complex composition of uranium(IV) in the aqueous phase and the acid
content of the organic phase. The uranium(IV) extraction may be explained by the competition between metal complex and nitric
acid for the extracting agent. The absorption spectra of the organic phase and the results of maximum loading experiments
indicate that the uranium(IV) species in the organic phase is the bis-alkylammonium-hexanitrato-uranium(IV) complex (RNH3)2U(NO3)6].
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