Determination of Sulfonamide in Beef by High Performance Liquid Chromatography-tandem Mass Spectrometry
Qian Li
Abstract
Qian Li
Abstract
A HPLC-MS/MS method for determination of 7 sulfonamides residues in beef was made in the paper.The sample was extracted with acetonitrile and anhydrous sodium sulfate,purified and defatted with n-hexane,then detected by high performance liquid chromatography-tandem mass spectrometry(HPLC-MS/MS).The results showed that calibration curves for 7 sulfonamides residues all had good linear relationships with correlation coefficients not less than 0.998.The spiked recoveries at three concentrations were ranged from 92.5% to 100.6%,with relative standard deviations of 2.0%~4.5%.The limits of detection were in the range of 1.0~4.5 μg/L.It was an effective method which fitted for the sulfonamides residues analysis and had high accuracy,precision and sensitivity.
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A HPLC-MS/MS method for determination of 7 sulfonamides residues in beef was made in the paper.The sample was extracted with acetonitrile and anhydrous sodium sulfate,purified and defatted with n-hexane,then detected by high performance liquid chromatography-tandem mass spectrometry(HPLC-MS/MS).The results showed that calibration curves for 7 sulfonamides residues all had good linear relationships with correlation coefficients not less than 0.998.The spiked recoveries at three concentrations were ranged from 92.5% to 100.6%,with relative standard deviations of 2.0%~4.5%.The limits of detection were in the range of 1.0~4.5 μg/L.It was an effective method which fitted for the sulfonamides residues analysis and had high accuracy,precision and sensitivity.
Key concepts: Chromatography, Chemistry, Mass spectrometry, Tandem mass spectrometry, High-performance liquid chromatography, Calibration curve, Anhydrous, Liquid chromatography–mass spectrometry