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Chemically modified silica gel with p-dimethylaminobenzaldehyde for selective solid-phase extraction and preconcentration of Cr(III), Cu(II), Ni(II), Pb(II) and Zn(II) by ICP-OES

Materials ScienceInorganic ChemistryChemical EngineeringSolvent ExtractionSelective Solid-phase ExtractionEngineeringExtractive MetallurgyAnalytical ChemistryChemistrySilica GelAdvanced SeparationInorganic MaterialSol-gel SynthesisChromatography