Abstract
Uranium is well known for its use as nuclear fuel and is increasingly being used for power generation. The sensitive methods for determination of uranium are based on inductively coupled plasma mass spectrometry (ICP-MS), inductively coupled plasma atomic emission spectrometry (ICP-AES), X-ray fluorescence spectrometry, activation analysis, high performance liquid chromatography (HPLC) and capillary electrophoresis (CE). High sensitivity and selectivity for the determination of uranium is reported using HPLC with appropriate complexing reagents. For post-column derivatization complexing reagents commonly used are arsenazo III and 4-(2-pyridyl) resorcinol. For pre-column derivatization, different hydrazones, α-hydroxyisobutyric acid and tetradentate Schiff bases have been reported. The analytical procedures based on ICP-MS and ICP-AES are sensitive for multi-elemental analysis, but involve expensive equipment with high running cost. Capillary electrophoresis (CE) is taking place for the analysis of metal ions due to its high resolution power, low solvent consumption and short analysis time. Capillary electrophoresis separations are based on different modes Micellar Electrokinetic Chromatographic Separation/Determination of Uranium, Iron, Copper and Nickel from Environmental Ore Samples Using Bis(salicylaldehyde)meso-stilbenediimine as Chelating Reagent
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