Liquid chromatography-DAD-tandem mass spectrometry method for simultaneously detecting four enantiomers in cyfluthrin and application of liquid chromatography-DAD-tandem mass spectrometry method
A technology of cyfluthrin and enantiomers, which is applied in the field of analysis and detection, can solve the problems of high similarity in the structure of enantiomers, toxicity risks, and residual hidden dangers of bees, etc., to improve detection sensitivity and optimize ultraviolet light Wavelength, the effect of improving the response of mass spectrometry
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[0058] This embodiment provides a liquid chromatography-DAD-tandem mass spectrometry method for simultaneously detecting four enantiomers in flufluthrin, comprising the following steps:
[0059] 1. Materials
[0060] The standard products of cyfluthrin were purchased from Shanghai Yuanye Biotechnology Co., Ltd., and the standard products of P1-P4 were prepared by splitting from commercial cyfluthrin.
[0061] 2. Instruments and reagent consumables
[0062] instrument:
[0063] Agilent 6495 UPLC-DAD-MS / MS mass spectrometer, high-efficiency pulverizer (OSE-Y40, Tiangen Biochemical Technology Co., Ltd.), electronic analytical balance (type PL602E / 02, Shanghai Mettler-Toledo Instrument Co., Ltd.), high-speed Centrifuge (Heraeus Fresco17, Thermo Fisher Scientific (China) Co., Ltd.), vortex shaker (Vortex-Genie 2, American Scientific Industries Company), vacuum centrifugal concentrator (CV200, Beijing Ji Aim Technology Co., Ltd.) .
[0064] Reagent consumables:
[0065] The chr...
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