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Comparison of Extraction Behavior of Samarium in Tri-butyl Phosphate and Tri-iso-amyl Phosphate Extractants |
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PP: 109-115 |
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Author(s) |
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S. Ganesh,
N. K. Pandey,
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Abstract |
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| This paper describes the comparison of extraction behaviour of samarium [Sm(III)] from nitric acid by two different extractants namely, tri-butyl phosphate (TBP) and tri-iso-amyl phosphate (TiAP) in diluent n-dodecane (nDD). The influence of the different factors affecting the extraction such as metal ions and extractants concentrations and temperature has been investigated. The experimental results indicated that Sm(III) has a higher extraction coefficient in TiAP than TBP. Further, the extraction yield was found to decrease with increase in metal ion concentration and temperature whereas it was found to increase with extractants concentration. The feasibility of samarium decontamination under process condition thereby enabling it to meet the final product specification with respect to neutron poison impurity.
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