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Silica gel modified with 1-(2-aminoethyl)-3-phenylurea for selective solid-phase extraction and preconcentration of Sc(III) from environmental samples

Solvent ExtractionChemical EngineeringSelective Solid-phase ExtractionEngineeringSeparation ScienceSelective SeparationAnalytical ChemistryChemistryAdvanced SeparationSol-gel SynthesisEnvironmental SamplesChromatography