Rapid screening and quantitative analysis of pesticides in vegetables by UHPLC-Q-TOF-MS/MS

The method is simple and fast. After extraction by acetonitrile, samples are salted out, centrifuged, filtered, and then directly injected for analysis; the analysis speed is fast, the detection time is only 15 minutes; the sensitivity is high, the detection limit is 0.01 ng/mL - 0.75 ng/mL; the linear relationship is good, the correlation coefficient r is greater than 0.99; the precision is good, RSD is less than 5%; the quality is excellent, accuracy and first-class quality. The accuracy of spectral mass number is less than 1 ppm, the isotope distribution is true and accurate, and the matching degree of secondary spectral library is high. The method is simple, rapid, sensitive, accurate and stable for qualitative and quantitative screening, and can be used for rapid qualitative screening and quantitative detection of pesticide residues in vegetables.

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Liquid Chromatograph-Mass Spectrometry, Mass Spectrometry
Q-TOF, vegetables, Food and Beverages, Agriculture, LCMS-9030
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