Polarographic behaviour and determination of uranium(VI) in alcoholic solutions from organic extraction phases

Degueldre, C.; Taïbî, K.

doi:10.1016/0003-2670(95)00565-x

Cited by 9 publications

(1 citation statement)

References 12 publications

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“…TOA is used to determine uranium(VI) in alcoholic solutions of the organic extraction phase by direct current polarography. 1 On the other hand, TOA as extractant is used to recover plutonium and americium from laboratory acidic waste solutions. 2 The aim of this work was to calculate the equilibrium constants of the extraction of uranyl nitrate, chloride and sulphate with TOA in benzene solutions, in order to verify the values previously calculated by the inflection point method.…”

Section: Introductionmentioning

confidence: 99%

Extraction of uranyl nitrate, sulphate and chloride with tri-n-octyl amine (TOA) from aqueous solutions

Čomor¹,

Petkovic²

2001

JSCS

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Extraction of uranyl nitrate, chloride and sulphate with tri-n-octyl amine (TOA) in benzene as a function of the TOA concentration has been studied. The concentration based extraction equilibrium constants were calculated from the distribution data of the uranyl salts, fitting the parameters of a chemical model to the experimentally obtained extraction isotherms. The calculated equilibrium constants are 46.5, 89.4 and 4.2x104 for uranyl nitrate, chloride and sulphate, respectively. These values are in good agreement with the previously reported extraction equilibrium constants calculated by the inflection point method.

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Section: Introductionmentioning

confidence: 99%