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A novel multiresidue analysis method is developed for highly sensitive and simultaneous determination of 16 sulphonamides (SAs), 4 acetyled metabolites, and trimethoprim in pork and mutton by rapid resolution liquid chromatography-tandem mass spectrometry (RRLC-MS/MS). The sample was extracted with acetonitrile under ultrasonication incubation, followed by solid phase extraction (SPE). The calibration...
A novel ultrahigh performance liquid chromatographic method is developed for analysis of 21 synthetic colorants with different acid–base property, solubility, and polarity. The meat samples were extracted by microwave-assisted extraction followed by cleanup with solid-phase extraction. The effective separation of the colorants in meat matrixes was achieved, and no interfering peaks could be detected...
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