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A new method was developed for the rapid screening and confirmation analysis of barbital, amobarbital and phenobarbital residues in pork by gas chromatography-tandem mass spectrometry (GC/MS/MS) with(More)
A multi-residue analytical method based on solid-phase extraction (SPE) with multiwalled carbon nanotubes (MWCNTs) as adsorbent was developed. The determination of 6 organochlorine pesticides and 7(More)
Twelve sulfonamide residues, namely, sulfadiazine, sulfamerazine, sulfamethazine, sulfamonomethoxine, sulfadoxine, sulfamethoxazole, sulfaquinoxaline, sulfadimethoxine, sulfanilamide, sulfathiazole,(More)
A gas chromatography-mass spectrometry (GC-MS) method was developed for the determination of 40 pesticides in fruits. The effects of adding analyte protectants were evaluated for compensating matrix(More)
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