Dispersive liquid–liquid extraction based on magnetic Pickering emulsion followed by gas chromatography–tandem mass spectrometry for the simultaneous determination of aldehydes in environmental water samples
Abstract:A dispersive liquid–liquid extraction based on Pickering emulsion stabilized with ferroferric oxide grafted nitrogen‐doped graphitized carbon black has been developed to simultaneously determine seven aldehydes in environmental water samples, in combination with pentafluorobenzyl hydroxylamine precolumn derivatization gas chromatography–tandem mass spectrometry. The nitrogen‐doped graphitized carbon was prepared from dicyandiamide waste residue with a simple acid wash process. The effects of magnetic emulsifie… Show more
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