Abstract
3-Formyl-4-hydroxy-N-methyl 2(H) quinoline (FHMQ) was synthesized and characterized. This compound was found not soluble in water or nitric acid solutions of different concentration. The uptake of Zr and Th from nitric acid by FHMQ has been investigated. The effect of shaking time on the percent uptake was studied. It was found that the equilibrium uptake of Zr is reached in one step after 2 hrs while in case of Th 4 hrs was required to reach equilibrium. The effect of nitric acid, metal ion and FHMQ on Zr uptake was studied. Studies on the retention capacity of 3-formyl-4-hydroxy-N-methyl 2(H) quinoline showed that its capacity decreases by increasing the nitric acid concentration for both Zr and Th. From the results obtained a selective method for separation of Zr from Th and U(VI) was developed using a floating bed column.
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Ali, A.M.I., Aly, H.F. Separation of Th and Zr from acid medium by 3-formyl-4-hydroxy-N-methyl 2(H) quinoline. J Radioanal Nucl Chem 241, 219–223 (1999). https://doi.org/10.1007/BF02347317
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DOI: https://doi.org/10.1007/BF02347317