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Gas-chromatographic determination of pesticide residues after clean-up by gel-permeation chromatography and mini-silica gel-column chromatography

Chemical EngineeringEnvironmental ChemistryEngineeringResidue (Chemistry)Pesticide-residue AnalysisGas ChromatographyEnvironmental EngineeringGel-permeation ChromatographyAnalytical ChemistryChromatographic AnalysisGas-chromatographic DeterminationChemical ContaminantChromatographyPesticide Residues