Extraction of trace amounts of cerium(III) by oxides of amines and its separation from cerium(IV) |
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Authors: | M Ejaz |
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Institution: | (1) Nuclear Chemistry Division, Pakistan Institute of Nuclear Science and Technology, P. O. Nilore, Rawalpindi, (Pakistan) |
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Abstract: | The solvent extraction of cerium(III) from nitric, hydrochloric and sulphuric acid solutions by 4-(5-nonyl)pyridine oxide
and trioctylamine oxide in xylene has been studied. The influence of the concentration of the solvents and salting-out agents
is described. From the results of partition experiments attempts have been made to deduce the nature of the extracted species.
The investigation shows that cerium(III) can be separated from cerium(IV) from very dilute solutions of mineral acids and
also from moderate nitric acid media. |
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