Mutual separation of Co(II), Fe(III), Eu(III) and Tb(III) on HTTA-loaded polyurethane foam |
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Authors: | Mohammad Mufazzal Saeed |
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Institution: | (1) Nuclear Chemistry Division, Pakistan Institute of Nuclear Science and Technology, P.O. Nilore, Islamabad, Pakistan |
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Abstract: | The selectivity of the 2-thenoyltrifluoroacetone (HTTA) loaded polyurethane (PUR) foam as adsorbent was studied. The influence
of various anions on the adsorption indicated that permanganate, oxalate, EDTA, and citrate formed strong complexes with the
metal ions and masked completely, while phosphate, thiosulphate, cyanide, ascorbate, tartrate and fluoride hindered the sorption
of Fe(III). The sorption of Co(II) is also prohibited in presence of anions like cyanide, ascorbate and tartrate. The sorption
of Eu(III) and Tb(III) is greatly affected in the presence of phosphate and fluoride. A group separation of different metals
has been proposed on the basis of selectivity of the foam. |
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Keywords: | |
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