[Objective]This study was conducted to establish a new UPLC-MS method for simultaneous detection of sulfonamides and chloramphenicols in honey.[Method]In this experiment,0.2%formic acid-acetonitrile was used as an extractant to simultaneously extract chloramphenicols and sulfonamides from drugs.The extract was then loaded and extracted with an efficient separation column Oasis~?PRiME HLB.After nitrogen blow-concentration and dissolution with mobile phase,the extract was loaded on UPLC and detected by MS.[Result]There was a good linear relation in the range of 0.1-10ng/ml for chloramphenicols,with a correlation coefficient of 0.991,while sulfonamides had a good linear relation in the range of 0.5-50ng/ml.The lowest detection limit of chloramphenicols and sulfonamides were 0.1and 0.5μg/kg,respectively.The recoveries were in the range of 82.50%-101.2%,with RSDvalues in the range of 3.2%-4.0%.[Conclusion]This method is simple and fast with low detection limit,high recovery and good reproducibility,and could be used for simultaneous detection of residual chloramphenicols and sulfonamides in honey.
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