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Extraction of long-lived radionuclides 152,154Eu and 134Cs using environmentally benign aqueous biphasic system
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Kamalika Roy
Published/Copyright:
December 4, 2009
Abstract
A polyethylene glycol based aqueous biphasic system has been studied for the extraction and separation of long-lived radionuclides, 152,154Eu and 134Cs. The effects of pH variation of the salt rich phases on the extraction properties of these radionuclides were studied and the experimental results were found to be supported by theoretical calculations. It has been observed that at neutral pH of sodium sulphite and at pH 11 of sodium phosphate salt rich phase 134Cs could be separated from 152,154Eu radionuclides. The exact phase forming concentrations of the salt rich phases were determined by measuring the volume of salt rich phase after equilibration.
Published Online: 2009-12-04
Published in Print: 2009-11
© by Oldenbourg Wissenschaftsverlag, München, Germany
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Keywords for this article
152,154Eu;
137Cs;
Separation;
Aqueous biphasic system;
Polyethylene glycol
Articles in the same Issue
- Redox stability of neptunium(V) and neptunium(IV) in the presence of humic substances of varying functionality
- Differential pulse cathodic stripping voltammetric determination of uranium with arsenazo-III at the hanging mercury dropping electrode
- Effect of pH and ionic strength on sorption of Eu(III) to MX-80 bentonite: batch and XAFS study
- Determination of 45Ca and γ-emitting radionuclides in concrete from a nuclear power plant
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- Determination of major and trace elements in iron-nickel-copper-cobalt ore reference materials using k0-NAA
- Development and implementation of k0-INAA standardization at 10 MW Pakistan research reactor-1
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